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October 14 of 2025
1. (10 points) Based on the figure, draw rooted trees that would result from rooting at each of the nodes (A, B, and C) indicated by the labeled dots. Unrooted tree 1 C B 3 A 5 2 4
Quit Question 16 of 20 Which condition causes the pruritus associated with pediculosis? Burrowing of the parasite Sucking of blood by the parasite Bull's eye puncture by the parasite Secretion of toxic saliva by the parasite Confident Not Sure
Question 12 Which incubation period is seen in a person with a healthy immune system who has the Norwalk virus? O 48 hours O 1 to 10 days O 7 days O 2 to 7 weeks Confident Not Sure
Although there are many distinct prokaryotic species, most have a small range of shapes, sizes, and growth rates. Which of the following characteristics are NOT observed in prokaryotes? Endoplasmic reticulum The ability to divide rapidly A cell wall Genome
How much water should a person who expends about 3,000 kilocalories a day consume? 0-2 liters 2-4 liters enough to produce dark urine enough to produce over 2 liters of urine a day None of the responses are correct.
22 of 35 Concepts completed Multiple Choice Question Limited partnerships are ______ entities just like general partnerships. O taxpaying O not-for-profit O corporate O pass-through Need help? Review these concept resources. Read About the Concept
MULTIPLE-CHOICE QUESTION Which of the following is NOT true (false)? Small, non-polar molecules cannot pass through the membrane The cell membrane is made of a phospholipid bilayer. A phospholipid has a polar head and a nonpolar tail. Rewatch Submit
1 Multiple Choice 1 point What is the function of the RNA primer in DNA replication? Existing base-paired nucleotide sequence that DNA polymerase can use Repairs mutations Breaks hydrogen bonds of double helix Unwinds DNA Prepares DNA for transcription
Which of the following are associated with the formation of a deep vein thrombosis (DVT)? 1. Blood vessel injury 2. Age greater than 40 years 3. Hypercoagulability 4. Venous stasis 1 2, 3 2, 3, 4 1, 3, 4
A scientist determines that, in human females, the recombination frequency between two genes is 12%. What will the recombination frequency between those same two genes be if measured in human males? About 4% About 12% About 6% About 24%
What does the Ecological Lens in biomimicry focus on? Understanding genetic variations in organisms Examining the relations of organisms to one another and their physical surroundings Replicating the physical structures of organisms Analyzing chemical properties of biological materials
Match the following vessels with where they can be found in the body: Subclavian [Choose] [Choose] Aortic Arch Neck (Red) Neck (Blue) Along Spine (Blue) Forelimb Hindlimb Along Spine (Red) Kidneys Renal Carotid Femoral External Jugular Vena Cava
Question 3 1 pts Bacteria cultured on agar plate form visible colonies. Each colony represents cell derived from a single cell or a cell clone. In your understanding the above statement is True False No answer text provided. No answer text provided.
2. A recombinant organism is O one that has donated genes to another organism. O one that has undergone a mutation. O one that has no fixed species designation. O one that that contains genes from another organism.
19 of 33 Concepts completed Multiple Select Question Select all that apply Which of the following are components of the thoracic cage? thoracic vertebra clavicle ribs costal cartilages scapula sternum Rate your confidence to submit your answer. High Medium Low Search esc
Question 7 What gene products are contained in a viral genome? O genes for Ribosomal proteins O genes for membrane biosynthesis O genes for some translation apparatus proteins O None of the above O All of the above
A patient is suspected to have reactivation TB. What are the symptoms the patient may experience? 1. Low-grade fever 2. Laryngeal edema 3. Night sweats 4. Weight loss 2, 3 3, 4 1, 2, 3 1, 3, 4
3. Blood cells arise from undifferentiated cells known as stem cells based on need as signaled by hormones and cytokines - for example, erythropoietin (EPO) is produced by the kidney to promote production of: WBC RBC Platelets Thrombocytes
Complex carbohydrates contain all of the following, EXCEPT: a. Fiber b. Minerals c. Excess calories d. Vitamins Which two monosaccharides constitute maltose? a. Glucose and galactose b. Glucose and glucose c. Glucose and fructose d. Glucose and lactose
Group 1b afferents with sufficient rate coding can excite and depolarize an inhibitory interneuron. The net effect is the inhibition or downregulation of the agonist's alpha motor neuron. What is this spinal reflex called? autogenic inhibition reciprocal inhibition
Timed test 3 Ch. 5-6 14 00:52:23 Which type of skin gland becomes active with puberty? Multiple Choice Ceruminous gland Apocrine sweat gland Eccrine sweat gland Both ceruminous and eccrine sweat glands. Prev 14 of 50 Next
Crista galli Part C (3 of 10) Identify the cranial nerve that passes through the olfactory foramina. The olfactory nerve (CN I) The oculomotor nerve (CN III) The optic nerve (CN II) The abducens nerve (CN VI)
Since Joel's blood lipids are altered, you recommend Joel use olive oil when cooking, consume foods with Omega-3 fatty acids and cut his fat intake. What is the main type of fatty acid found in olive oil?
The Rockport walk test, 1.5-mile run/walk test, and 3-minute step test are all examples of Multiple Choice field tests of cardiorespiratory endurance. standardized tests of flexibility. laboratory tests of maximal aerobic capacity. 1-RM tests of maximal strength.
Question 5 of 15 A fruit fly, Drosophila melanogaster, that has only one sex chromosome (XO) and two sets of autosomes would have which sexual phenotype? O metafemale O female O intersex O metamale O male Resources
MULTIPLE-CHOICE QUESTION What does passive transport mean? No energy, moves against the concentration gradient Needs energy, moves with the concentration gradient No energy, moves with the concentration gradient Needs energy, moves against the concentration gradient. Rewatch Submit
When a few individuals decide to leave the original population and form a new one; consequently, changing the genetic frequencies of the new population. A Bottle neck B Founder effect C Convergence D none of the above
Question 20 3 pts What were the three defining characteristics of early Earth that led to the evolution of the earliest prokaryotes? Constant solar (Sun) radiation Anoxic atmosphere Large deposits of nitrogen in Earth's crust Extremely hot
The archaellum is O a structure found in many archaea that confers motility O a special protein layer that surrounds many archaeal cells O a specialized area in the archaeal plasma membrane to which a flagellum attaches
In which phase of the growth curve does preparation for cell division and synthesis of enzymes needed for catabolic activity take place? O stationary phase O lag phase O all phases O death phase O exponential phase
12 Multiple Choice 5 points (Q008) The Supreme Court held that states could not restrict voters on account of race in the case of Miller v. California. Gitlow v. New York. Smith v. Allwright. Gibbons v. Ogden.
Question 19 1 pts Which of the following has the largest driving force across a neuronal cell membrane? O Cl- O Na+ O Ca++ O K+ O None of the answer choices because all are at equilibrium
The lining of the vertebrate digestive tract is one cell thick. Which junctions between neighboring cells in this lining prevent leakage, and allow the cells to form a sheet? O Communicating O Gap O Anchoring O Tight
MULTIPLE-CHOICE QUESTION What is the cell membrane's role in maintaining homeostasis? it controls what enters and exits the cell it helps maintain the shape of the cell it protects the cell it keeps all the organelles inside the cell. Rewatch Submit
In order to prevent pulmonary emboli, a filter may be placed into which of the following vessels to prevent clots from being carried into the pulmonary circulation? Subclavian vein Pulmonary artery Femoral artery Inferior vena cava
26. Which double-strand DNA in the picture below is a B-DNA molecule? A) the left one B) the middle one C) the right one D) None of the above Minor groove Major groove Minor groove Major groove Minor groove Major groove
A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known as Multiple Choice active transport. exocytosis. diffusion. facilitated transport. osmosis.
Please answer questions related to the below peptide structure at pH = 7. ACEK 29) The peptide contains: (A) -CH2-CH2-SH R group (B) -CH2-SH R group (C) -CH2-COO- R group (D) Four peptide bonds (E) None of the above are correct
Common signs and symptoms of an allergic reaction include all of the following, EXCEPT: Select one: A. drying of the eyes. B. abdominal cramps. C. persistent dry cough. D. flushing of the skin.
Question 5 1 pts Production of energy from the absorbed components of protein, fat, and carbohydrate occurs primarily in which part of the cell. O selectively-permeable membrane O cytoplasm or cytosol O fat droplet O mitochondrion
This is when an individual doesn't have the basic necessities of life, i.e. they live on the streets with little access to shelter, barely eat, nor have clothing or shoes. Select one: absolute poverty relative poverty
A Legumes have root nodules with nitrogen-fixing bacteria. B Legumes convert ammonium to nitrates. C Root nodules on legumes have denitrifying bacteria. D Legumes are an immediate source of phosphorus and nitrogen. E Root nodules on legumes produce nitrifying bacteria.
Which are the two major types of carbohydrates? O DNA and RNA O proteins and fats O amino acids and polypeptides O None of these O glycerol and fatty acids O nucleotides and nucleic acids
Which of the following structures contains the FIRST cell body of the ascending afferent tracts projecting to the contralateral parietal lobe? Ventral root Ventral horn Dorsal horn Dorsal root ganglion (DRG) Ventral root ganglion (VRG)
Question 29 1 pts Emily ate a chocolate chip cookie and choked when a chocolate chip went down the wrong way. Because of the presence of the chocolate chips, the cookie was contaminated. True False
In broiler breeders, how are hens restricted from male feeders? Male feeders are too high Male feeders have specialized openings for only males Males are fed in different house from females They are not restricted
VO2 is determined by the amount of Multiple Choice blood pumped by the heart per beat. oxygen that can be brought into the lungs. mitochondria in the cells. blood pumped by the heart per minute.
In some strains of bacteria, a genetic mutation has resulted in an inability to produce fimbriae. What ability do these bacteria likely lack? Multiple Choice The ability to conjugate Protein synthesis Attachment Spore formation Motility
Which of the following statements about bacteria is FALSE? They have 70S ribosomes Bacteria lack membrane-bound organelles. Their DNA molecules are circular and supercoiled inside the cell Bacteria are single-celled. They undergo mitosis and meiosis in order to reproduce.
Self-Check Use this self-check to gauge your understanding. You can retake it as many time 9 of 9 Material enters and leaves the nucleus using pores in the ______ nuclear envelope nuclear wall nuclear filter
The ______ species concept holds that "species are groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups." A biological B morphological C lineage D none of the above
"Alternative splicing is a process that sometimes occurs in eukaryotes, in which more than one version of mature mRNA can be made from the same gene." The preceding statement is... True False
Olivia is going to the pool to swim laps but is hungry. Which of the following foods would be the best choice before such vigorous activity? Multiple Choice oatmeal cheeseburger lean steak taco salad
Which of the following structures contains the THIRD cell body of the ascending afferent tracts that project into the parietal lobe? Dorsal Cerebellum Contralateral Thalamus Dorsal Root Ganglion (DRG) Dorsal Column Nuclei (DCN) Basal Ganglia
Which of the following is TRUE? Enzymes lower the free energy released by the reaction that they facilitate. Enzymes lower the activation energy for a specific reaction. Enzymes can change the equilibrium point for reactions.
Which of the following statements IS FALSE? A Populations evolve B The Evolutionary Theory and the Natural Selection Theory are the same C Evolutionary change requires genetic change D none of the above is false
Type IIa muscle fibers _______ Multiple Choice are known as fast-twitch red fibers can produce energy by aerobic processes only are also referred to as FG can produce energy by the lactic acid system only
Question 39 of 50 © Macmillan Learning When a sperm penetrates the nucleus of the ovum, the two meld into one cell. That event is called ______. O fertilization O ovulation O genesis O zygosity
Question 3 (2.5 points) What two eukaryotic organelles are thought to have arisen from endosymbiosis nucleus and endoplasmic reticulum chloroplasts and mitochondria endoplasmic reticulum and the Golgi apparatus cytoskeleton and flagella Question 4 (2.5 points)
4. Biofilms are found O on teeth. O on a variety of surfaces including shower curtains, the walls of swimming pools, and teeth. O on shower curtains. O on the walls of swimming pools.
Both Broccoli and Cabbage descended from the same wild mustard and still interbreed. The existence of these two vegetables is an example of: A speciation B artificial selection C natural selection D genetic drift
Part B (2 of 10) Identify the landmark that projects superiorly into the floor of the skull and serves as a site of attachment for the meninges. Vomer Cribriform plate Perpendicular plate Crista galli
Question 8 0.5 pt Acute aerobic exercise at altitude (non-acclimitized) causes __________. Select all that apply. Greater reliance on CHO Increased fluid loss through ventilation Decreased performance Increase in VO2max Increased basal metabolic rate
If a heterozygous parent ($AB/ab$) is testcrossed to a homozygous recessive ($ab/ab$), what will the progeny phenotypic ratio be if genes $A$ and $B$ are completely linked? 1AB:1Ab:1aB:1ab 9AB:3Ab:3aB:1ab 1AB:1ab None of the above
Which of the following is not one of the four main components of all plasma membranes? O Integral membrane proteins O Peripheral membrane proteins O Lipid bilayer O Extracellular matrix O Cell surface markers
During glycolysis, one six carbon sugar (glucose) is broken down to __________. Multiple Choice two 3-carbon molecules of pyruvate six 4-carbon molecules of citrate three NADH and four FADHâ‚‚ one 3-carbon molecule of pyruvate
Nucleotide changes that result on new products (different amino acids) or no products at all are examples of: A Synonymous substitutions B Nonsynonymous substitutions C both, a and b D none of the above
MULTIPLE-CHOICE QUESTION Which of the following is NOT true about active transport Molecules can move against the concentration gradient Molecules always move from high concentration to low concentration It requires ATP (energy) Rewatch Submit
_______ binds to its receptor on the _______ which causes electrical signals to travel through the sarcolemma and into the T-tubules. acetylcholine; motor end plate acetylcholine; synaptic cleft acetylcholine; neuromuscular junction acetylcholine; muscle fiber
18 Multiple Choice 1 point The end results of signal transduction are varied but can include All of the answers are correct. Cellular differentiation. Induction of cell division. Altered metabolism. Altered protein secretion patterns.
Score: 202/450 Question A DNA nucleoside is comprised of _____. a phosphate group, ribose, and a base ribose and a base only a phosphate group, deoxyribose, and a base deoxyribose and a base only
When Lahn encounters an unfamiliar word, they use the context provided by its sentence and surrounding paragraph to construct an understanding of its meaning. Lahn's example BEST illustrates ____ processing. peripheral bottom-up top-down central
All of the following substances affect fluid balance except: Taking over-the-counter medications. A daily multivitamin. Consuming 3 cans of Red Bull every day. Daily consumption of V8 for breakfast. Drinking 3 beers every day.
2. The first step in conjugation is O the release of quorum signaling proteins by each cell. O contact between the donor and recipient. O duplication of the plasmid. O mobilization of the plasmid.
As indicated in the KEGG pathways for fatty acid degradation and biosynthesis, which pathway does NOT use acetyl-CoA as a substrate? O citric acid cycle O glycolysis O butanoate metabolism O fatty acid biosynthesis
Select all that apply Which of the following are features that all cells have in common at some point in their lifespan? Plasma membrane Endoplasmic reticulum Centrally located genetic material Cell wall Cytoplasm
The pedigree above shows inheritance of an X-linked recessive disorder. What is the probability that the next child of II-4 and II-5 will be an unaffected male? 3/4 1/4 0 1/2 1
Question 16 of 20 Which type of study finds the highest level of evidence for the effectiveness of a particular treatment? Case control studies Randomized controlled trials Descriptive studies Meta-analysis Confident Not Sure
What are the characteristics of model organisms that make them useful for scientific studies? They reproduce quickly All of the answers are correct They possess simplified cellular system They are easy to maintain
The rate limiting step in the Krebs cycle is metabolically favored by the following metabolites ratios... O high [NAD+]/[NADH] ratio O low [succinyl CoA]/[CoA] ratio O high [ATP]/[ADP] ratio O low [malate]/[fumarate] ratio
3 Multiple Answer 1.5 points Which of the following are functions of electrolytes? Choose all that apply. Regulation of fluid balance. Regulation of the immune system Act as a solvent Stimulate muscle contraction
Which of the following is the most likely site for hematopoiesis in the adult human O proximal epiphysis of femur O distal metaphysis of femur O cuboid bone of foot O carpal bones
Part A (1 of 10) Identify the location of the ethmoid bone. The floor of the skull The lateral surface of the skull The superior portion of the skull In between the orbits
All the following are TRUE about projects EXCEPT? A Go on indefinitely B Have one major goal C Produce something unique D Are very complex Last saved 7:25:00 PM Questions Filter (50) Search
Rank these chromosomal mutations based on the severity of their phenotypic consequences in humans. most severe least severe Answer Bank aneuploidy of a sex chromosome trisomy of an autosome monosomy of an autosome
1. Which of the following is a function of the lymphatic system? a. a) Oxygenating blood b. b) Removing excess interstitial fluid c. c) Producing red blood cells d. d) Digesting nutrients
Find the volume of the solid obtained by rotating the region bounded by $y = \frac{1}{4}x^2$, $x = 2$, and $y = 0$ about the $y$-axis. Below is a graph of the bounded region. Volume =
What does a metabolic cart measure? Multiple Choice older people's anaerobic capacity the resting heart rate of extremely fit athletes breath-by-breath amounts of oxygen and carbon dioxide exchange maximum blood pressure during activity
0 of 33 Concepts completed Fill In the Blank Question Once an osteoblast surrounds itself with bone matrix it matures into an Need help? Review these concept resources. Read About the Concept
What is the magnifying power of the typical highest power objective (by itself), found on most compound light microscopes? O 400 X O 40 X-100 X O 10 X O 20 X
In terms of exercise intensity, the American College of Sports Medicine recommends an intensity of about ______ percent of $$HR_{max}$$ to ensure increases in cardiorespiratory fitness. Multiple Choice 60-75 57-94 40-60 75-90
You are looking at a tissue under the microscope. The cells have an irregularly thickened primary cell wall and a living protoplast. What type of tissue is this? Phloem Sclerenchyma Parenchyma Collenchyma
14 Multiple Choice 1 point What level of gene expression is regulated by such factors as Notch1 and GATA-2? Translation RNA processing Replication None of the answers are correct. Transcription MacBook Air
19 00:02:19 When one walks into a cold room, exposed skin will experience Multiple Choice epidermal vasoconstriction. dermal vasodilation. dermal vasoconstriction. increased sweat gland activity. < Prev 19 of 50 Next >
The predominate energy system used to produce ATP during an exercise bout lasting <10 seconds in duration is...? Aerobic Energy System Glycolytic Energy System ATP-PC System None of the answers are correct
To meet the recommendations of the 2020-2025 Dietary Guidelines for Americans, healthy adults should consume less than ______ percent of total daily kcals from saturated fats. Multiple Choice 20 30 5 10
Which of the following is not a primary objective of corrective exercise? a. Increased maximal force output b. Enhanced stability and force transfer c. Encouragement of proper muscle activation d. Improved mobility
Although Darwin's voyage aboard the HMS Beagle took him around the world, most of his observations on natural history were made in. A Europe B South America C Australia D North America
Nonsynonymous nucleotide substitutions A Are likely to be deleterious to the organism B Show the highest substitution rates in organisms C Do not change encoded amino acids D none of the above
Which metabolic pathway is common to aerobic cellular respiration, anaerobic cellular respiration and fermentation? glycolysis electron transport chain the conversion of pyruvate to acetyl CoA the Kreb's cycle the transfer of electrons to Oâ‚‚
Which of the following is an eating disorder characterized by a refusal to eat enough to maintain a reasonable body weight? Multiple Choice body dysmorphic disorder bulimia nervosa binge-eating disorder anorexia nervosa
18 Fill in the Blank 2 points In the context of memory, visual information is stored in Type your answer... or memory and sound information is stored in Type your answer... memory.
2 Multiple Choice 1 point _______ is best described as a set of goal-directed actions a firm takes to gain and sustain superior performance relative to competitors. Values Mission Strategy Vision
Score: 307/450 Question Value: 35 The demonstration that DNA is the ______ agent was the first evidence that genes are composed of ______. transforming; DNA preserving; DNA preserving; polysaccharides transforming; polysaccharides
Mechanism of evolution where allele and genotype frequencies are now represented only by a few survivors of the original population. A founder effect B bottleneck C gene flow D natural selection
A- What type of epithelial tissue covers the outer surfaces of the body such as the skin and mucous membranes? (2)- Ch 4 B- Why is it found in these locations?
copy link MULTIPLE-CHOICE QUESTION Cellular Respiration produces the ATP your body needs everyday. What type of reaction is Cellular Respiration? carbohydrate anabolism a powerhouse reaction catabolic reaction anabolic reaction Rewatch Submit
Genetic engineering is used to change the characteristics/abilities of organisms. is involved in making vaccines. is involved in making various molecules, such as interferon. involves manipulating DNA. all of the above
Q 14 of 14 Using the word "doll" to mean "my doll got wet" is an example of holophrastic speech. True False Do you need a hint? Search or type URL
A term for the central epithelium lining any tube that exits the body and is free to the open environment is called what? Deep connective tissue Lumen Basement membrane Basolateral membrane
Which of these methods can be used to obtain a viable cell count? O counting chamber O turbidity measure O plate counts of serial dilutions O loop dilution O optical density
18) Collagen typically has greater than average amounts of the following amino acid(s)? A) P B) G C) V D) Both A and B E) None of the above are correct
Question 5 Which lobe of the cerebral cortex is located in the area of the brain parallel to the ears? O Frontal O Parietal O Occipital O Temporal Confident Not Sure
Antidiuretic Hormone Proteins Antidiuretic hormone (ADH) activates which proteins in the distal convoluted tubule (DCT) and collecting duct when present? Water transport pump Aquaporin-1 Aquaporin-3 Aquaporin-2 Glucose transporter type 4 (GLUT4)
What component of the host cell is required for the successful functioning of viral attachment protein? host cell receptor host cell attachment protein host cell phospholipid membrane host cell entry protein
The basal grade angiosperm lineages include which of the following taxa? Amborella trichopoda The order Nymphaeales The order Austrobaileyales All of the above are included in the basal grade angiosperms.
Review Inputs That Control Hormone Secretion Which of the following controls hormone secretions? O nutrients O ions O neurotransmitters O hormones O all of these
What is the net number of ATP molecules produced from the catabolism of one molecule of glucose ($$C_6H_{12}O_6$$) during FERMENTATION? O 74-76 O 2 O 15-18 O 34-38 O 4
The outcome of the Gram stain is based on differences in the bacterial cell's Multiple Choice inclusions. cell wall. cell membrane. flagella. ribosomes. < Prev 15 of 20 Q Search
In ecology, we are concerned about the rate of microbial activity in a given habitat. Microbial activity rates are dependent on (select all th pH urbanization temperature nutrient availability moisture
During the elongation stage, the sigma factor is released from RNA polymerase, which slides along the DNA in a way that maintains the goes. Need help? Review these concept resources.
Which of the following is an example of an ingredient that may act as a mild appetite suppressant? Multiple Choice raspberry ketone green tea extract conjugated linoleic acid bitter orange
MULTIPLE-CHOICE QUESTION What is the main job of Exocytosis? to bring fluid into the cell enfulf extracellular material expel material into extracellular space to bring food into the cell Rewatch
The is a network of protein fibers in the cytoplasm of eukaryotic cells involved in supporting the shape of the cell and anchoring organelles to fixed locations.
What is the most common disorder of the blood in the older adult? O a. Folic acid deficiency anemia O b. Sickle cell anemia O c. Thalassemia O d. Anemia
Question 36 1 pts Phospholipid fatty acid tails spontaneously cluster together away from the aqueous cellular interior and exterior environment due to their ______ nature. catalytic mosaic hydrophilic polar hydrophobic
Fill In the Blank Question The stage of mitosis in which chromosomes uncoil to become thin chromatin fibers and the nuclear envelope reforms is Need help? Review these concept resources.
MULTIPLE-CHOICE QUESTION catabolism is releasing energy by building up macromolecules releasing energy by breaking down macromolecules using energy by breaking down macromolecules using energy to build up macromolecules Rewatch Submit
Which of the following terms indicates the degree to which group members are attracted to one another and are motivated to stay in the group? Interdependence Integration Cohesiveness Sociability
What is the name of the fibrous covering of a long bone that is found everywhere except for the joint surface? O endosteum O periosteum O epiphyseal O diaphysis
Athletes who eat low-carbohydrate diets may experience a. dehydration and ketoacidosis. b. sports anemia and amenorrhea. c. kidney failure and fatty liver. d. high blood pressure and cardiac stress.
Question 14 (1 point) The analog clocks in the south block classrooms (e.g. our classroom), this is an example of: motor compatibility knowledge in the head forced function standardization
5um In this human cheek cell stained with methylene blue, what structure is indicated by the arrow? Mitochondrion Plasma Membrane Endoplasmic reticulum Nuclear Membrane Cell Wall Next MacBook Air
Review 11.1 Hormones and Endocrine Glands The chemical messengers that are carried through the blood to their target cells are called O hormones. O endocrine glands. O exocrine glands.
Which of the following are included in the "Biological Lenses" for biomimicry? (Select all that apply) Naturalist Lens Operating Conditions Lens Form and Function Lens Ecological Lens Local Lens
An excess of ______ in sports drinks may leave the small intestine undigested and cause bloating and gas in the colon. a. sucrose b. lactose c. glucose d. fructose
Almost all the energy in the food chain indirectly comes from the Sun's energy, that was harnessed by plants through photosynthesis. a. Write the balanced chemical equation for photosynthesis.
Review the Control of Growth Hormone and Insulin-Like Growth Factor Secretions. Which cells promote bone resorption by breaking down bone and releasing calcium to plasma? osteoclasts osteocytes osteoblasts chondrocytes
Which proprioceptor provides information on absolute stretch and the rate at which our extrafusal contractile proteins (somatic muscle) experience stretch tension? GTO Krause End Bulbs Muscle spindle Pacinian Corpuscles
The video of the "Wild orchid wasp mimic" that you saw in class was used to illustrate: A Gametic isolation B temporal isolation C habitat isolation D mechanical isolation
At the beginning of the action potential, which type of ions flow from outside the nerve fiber into the nerve fiber? Positive potassium Negative potassium Positive sodium Negative sodium
Part A (1 of 5) Which bone is NOT considered to be part of the cranium? Occipital bone Lacrimal bone Sphenoid bone Ethmoid bone Part B (2 of 5)
Crisis lines work because they A are cheap and convenient. B provide easy assessment of client functioning. C inhibit dependency. D are both "cheap and convenient", and "inhibit dependency".
The complete separation of a bone from its normal position in a joint is known as a: O a. strain O b. sprain O c. dislocation O d. subluxation
2. Which vessel type has the thinnest walls and allows for the exchange of gases and nutrients? a. a) Arteries b. b) Capillaries c. c) Veins d. d) Arterioles
Multiple Choice 1 point Which of the following cell types secretes IL-17 and may play a role in antifungal responses? Plasma cell $$T_{H}1$$ $$T_{H}2$$ $$T_{H}17$$ $$T_{reg}$$ MacBook Air
The absolute maximum amount of oxygen you can consume during peak exercise is referred to as Multiple Choice the HDL/LDL ratio. peak hemoglobin. VO2max. the A-V O2 difference.
A growing body of evidence indicates that sexual minorities in the United States experience fewer health disparities than do their heterosexual counterparts. A True B False Clear selection
11. Describe a simple blood vessel pathway. 12. Describe what is meant by an alternative pathway. Define the following examples of alternative pathways: • Portal system • Anastomosis
Question 7 (1 point) Listen fatty acids have and contribute to increased membrane fluidity. Saturated; double bonds Unsaturated; no double bonds Saturated; no double bonds Unsaturated; double bonds
Binary fission is a stage that occurs during division of what structures or organisms? O archaea O bacteria O chloroplasts O mitochondria O All choices listed are correct.
10 00:55:57 Which type of gland functions to cool the body with its secretions? Multiple Choice Sebaceous Eccrine Ceruminous Apocrine Prev 10 of 50 Next Mc Graw Hill
Phylogenetic trees have become an important tool in: A reconstructing past events such as zoonotic diseases B forensic investigations C reconstructing ancestral traits D all of the above
2. (6 points) Based on the tree below, do you think the data show evidence of divergent or convergent evolution for wings? Explain. Chordates Echinoderms Arthropods Annelids Mollusks
Bacteria on fish caught in the Arctic Ocean would be psychrophiles. be mesophiles. continue to grow while the fish is in the refrigerator. be thermophiles. a and c
5. When a genotype of one gene can cover up the effect of another gene, that is known as A. epistasis B. epigenetics C. dominance D. genomic masking
2 5 Multiple Choice 0.5 points 3 The pulmonary veins bring the blood to which chamber? 4 Right ventricle Left atrium 5 Left ventricle 6 Right atrium 7
The recombination frequency is most accurate in estimating the distance between two genes when that distance is less than _blank_ 25 m.u. 15 m.u. 0.05 m.u. 5 m.u.
Carbohydrates are made in plants, which use all of the following to trap energy in the bonds of carbohydrates, EXCEPT: a. Air b. Soil c. Water d. Sunlight
McGraw Hill 47 00:32:28 In which type of joint are bone ends enclosed within a capsule? Multiple Choice Cartilaginous Synovial Fibrous < Prev 47 of 50 Next >
Which of the following is NOT among the three major types of protein filaments that constitute the cytoskeleton in animal cells? Actin filaments Microtubules Intermediate filaments Cellulose fibers
Consumers benefit from __________ because it makes products simpler to use and lowers the cost of repairing them. raw materials just in time production materials standardization worker training
Due to their ability to restore a tissue-like environment, hollow fibre bioreactors (HFBs) show great potential among different systems used to culture hepatocytes. A True B False
Saved Which of the following depreciation conventions is not used under MACRS? Multiple Choice Full-month Half-year Mid-month Mid-quarter All of the choices are used under MACRS. Prev 18 of 40
Which of the following organs is more immune in function than endocrine, although we list it as one of the primary endocrine organs? Parathyroid Thymus Heart Thyroid
Which of the following exercises would be the correct selection for addressing tight hip flexors? a. Single-leg RDL b. OH lunge c. Front squat d. Lateral lunge
Question 30 In humans, liver and muscle cells require a lot of energy; therefore, these cells contain an abundance of fructose chitin sucrose glycogen starch
1. Plasmids are O small pieces of linear DNA. O made of single-stranded DNA. O able to replicate independently of the chromosome. O found in all bacteria.
Scientific discipline concerned with the understanding of human interaction with the elements of a system is known as: A Quality B Manufacturing C Work Design D Reliability
In fermentation, ATP is produced: By glycolysis and the Kreb's (TCA) cycle By glycolysis only By anaerobic respiration By glycolysis, Kreb's (TCA) cycle and electron transport chain By catabolizing fats
Select all that apply Choose the four main components of all eukaryotic membranes. Cell surface markers Peripheral membrane proteins Extracellular matrix Integral proteins Phospholipid bilayer Actin filaments
Mycobacterium tuberculosis is most readily transmitted through: drinking milk from or the milking of infected cows. shaking hands and then rubbing your eye. coughing. accidental direct inoculation.
The inability of lateral inhibition to explain some perceptual effects suggests that some contrast effects are based in the macula. the cortex. the lateral plexus. the retina.
One of the most important steps of the scientific method is to formulate a __________, which is a tentative explanation for a phenomenon, based on available information.
What is the cause of infectious mononucleosis? a. Person's own immune system b. Epstein-Barr virus c. Deficiency in clotting factor d. The loss of whole blood Search
Which of the following is an example of a closed-chain, closed-circuit exercise? a. Barbell front squat b. Walking dumbbell lunge c. Seated military press d. Leg extension
Part A The cilia and flagella of eukaryotic cells are composed of _______. O pili O microtubules O microfilaments O tonofilaments O intermediate filaments Submit Request Answer
10 -- 12 -- 13 -- 15 -- The neural response of the gastric phase is stimulated by: Mucus the Central Nervous System Elevated pH Stretch HCl
How do lipid membranes act as a semi-permeable barrier? through their hydrocarbon tail through their hydrophilic reactions through their hydrophobic interactions through their membrane proteins
Q2. Why is mRNA so unstable in most bacteria (half-life of about 1 min)? In many organisms, mRNA half-lives are much longer (>1 hr). Why?
Why does McDonald's use the color hunter green as the background for its golden arches logo in Europe when it uses red in the United States?
2) Describe how the structure of yeast fungi differs from that of other fungi? 3) What is the difference between a diploid organism and a dikaryon?
the hierarchical structure of skeletal muscle is: muscle -> _______ -> muscle fibers (cells) -> myofibril -> myofilaments (actin & myosin) fascicle endomysium epimysium myofibrils
Question 9 1 pts Which process describes the ability of living organisms to maintain an internal environment within a tolerable range? respiration development observation homeostasis metabolism
Vulvovaginitis in the vulva and vagina can be caused by which of the following organisms? Bacteria Fungi Protozoa All of the above None of the above
Question 3 All of the coyotes (Canis latrans) living in the Mojave Desert constitute a(n) _____. O ecosystem O biosphere O organism O population O community
Hydrogen bonding between backbone atoms (rather than side chains) is primarily responsible for which level of protein structure? Primary structure Tertiary structure Quaternary structure Secondary structure
Question 4 1 pts Bacterial mutants that cannot grow unless a specific cellular building block is added to the medium are called __________. Auxotrophic Prototrophic smooth rough
The patient with which type of anemia must avoid strenuous exercise and cold temperatures? 1. Aplastic 2. Sickle cell 3. Hemolytic 4. Anemia of chronic disease
Question 6 Which dysfunction does the auditory-evoked potentials technique detect? Loss of vision Degenerating diseases High-frequency hearing loss Nerve and spinal cord damage Confident Not Sure
Which trait most closely aligns with a leader who stays focused and stays the course (persevere)? O determination O intelligence O confidence O sociability O charisma
ted Bl... CarrilloEDSTPortfo... Q 8 of 15 The brain's plasticity refers to its ability to _____. adapt interpret identify remember PREVIOUS NEXT Search or type URL
Recharge Mc Graw Hill Fill In the Blank Question Organelles that are membranous sacs containing powerful digestive enzymes are called Need help? Review these concept resources.
Which of the following is NOT a step in the evolution of raw data to Business Intelligence? Data Deletion Data Interpretation Data Storage Data Collection
Question 27 An -OH group is characteristic of _____. alcohols and sugars proteins ribose and deoxyribose; increase rigidity of the molecule amino acids sterols and phospholipids
4. The spleen functions in all of the following except: a. Filtering blood b. Storing iron c. Removing old red blood cells d. Producing platelets
Which treatment would be provided to a patient with spinal cord compression to rearrange the bony tissue? Surgery Everolimus Epoetin alfa Parenteral fluid Confident Not Sure
Which of the following hormones is involved in reducing the amount of glucose in the blood in reaction to hyperglycemia? Multiple Choice Insulin Epinephrine Glucagon Cortisol
Foods that provide the most vitamin A precursors such as beta-carotene are _ milk and milk products meat brightly colored fruits and vegetables whole grains
35 00:37:53 In which bone would the external acoustic meatus be found? Multiple Choice Maxilla Parietal bone Temporal bone Zygomatic bone Prev 35 of 50 Next
1. (10 points) Based on the figure, draw rooted trees that would result from rooting at each of the nodes (A, B, and C) indicated by the labeled dots. Unrooted tree 1 C B 3 A 5 2 4
Quit Question 16 of 20 Which condition causes the pruritus associated with pediculosis? Burrowing of the parasite Sucking of blood by the parasite Bull's eye puncture by the parasite Secretion of toxic saliva by the parasite Confident Not Sure
Question 12 Which incubation period is seen in a person with a healthy immune system who has the Norwalk virus? O 48 hours O 1 to 10 days O 7 days O 2 to 7 weeks Confident Not Sure
Although there are many distinct prokaryotic species, most have a small range of shapes, sizes, and growth rates. Which of the following characteristics are NOT observed in prokaryotes? Endoplasmic reticulum The ability to divide rapidly A cell wall Genome
How much water should a person who expends about 3,000 kilocalories a day consume? 0-2 liters 2-4 liters enough to produce dark urine enough to produce over 2 liters of urine a day None of the responses are correct.
22 of 35 Concepts completed Multiple Choice Question Limited partnerships are ______ entities just like general partnerships. O taxpaying O not-for-profit O corporate O pass-through Need help? Review these concept resources. Read About the Concept
MULTIPLE-CHOICE QUESTION Which of the following is NOT true (false)? Small, non-polar molecules cannot pass through the membrane The cell membrane is made of a phospholipid bilayer. A phospholipid has a polar head and a nonpolar tail. Rewatch Submit
1 Multiple Choice 1 point What is the function of the RNA primer in DNA replication? Existing base-paired nucleotide sequence that DNA polymerase can use Repairs mutations Breaks hydrogen bonds of double helix Unwinds DNA Prepares DNA for transcription
Which of the following are associated with the formation of a deep vein thrombosis (DVT)? 1. Blood vessel injury 2. Age greater than 40 years 3. Hypercoagulability 4. Venous stasis 1 2, 3 2, 3, 4 1, 3, 4
A scientist determines that, in human females, the recombination frequency between two genes is 12%. What will the recombination frequency between those same two genes be if measured in human males? About 4% About 12% About 6% About 24%
What does the Ecological Lens in biomimicry focus on? Understanding genetic variations in organisms Examining the relations of organisms to one another and their physical surroundings Replicating the physical structures of organisms Analyzing chemical properties of biological materials
Match the following vessels with where they can be found in the body: Subclavian [Choose] [Choose] Aortic Arch Neck (Red) Neck (Blue) Along Spine (Blue) Forelimb Hindlimb Along Spine (Red) Kidneys Renal Carotid Femoral External Jugular Vena Cava
Question 3 1 pts Bacteria cultured on agar plate form visible colonies. Each colony represents cell derived from a single cell or a cell clone. In your understanding the above statement is True False No answer text provided. No answer text provided.
2. A recombinant organism is O one that has donated genes to another organism. O one that has undergone a mutation. O one that has no fixed species designation. O one that that contains genes from another organism.
19 of 33 Concepts completed Multiple Select Question Select all that apply Which of the following are components of the thoracic cage? thoracic vertebra clavicle ribs costal cartilages scapula sternum Rate your confidence to submit your answer. High Medium Low Search esc
Question 7 What gene products are contained in a viral genome? O genes for Ribosomal proteins O genes for membrane biosynthesis O genes for some translation apparatus proteins O None of the above O All of the above
A patient is suspected to have reactivation TB. What are the symptoms the patient may experience? 1. Low-grade fever 2. Laryngeal edema 3. Night sweats 4. Weight loss 2, 3 3, 4 1, 2, 3 1, 3, 4
3. Blood cells arise from undifferentiated cells known as stem cells based on need as signaled by hormones and cytokines - for example, erythropoietin (EPO) is produced by the kidney to promote production of: WBC RBC Platelets Thrombocytes
Complex carbohydrates contain all of the following, EXCEPT: a. Fiber b. Minerals c. Excess calories d. Vitamins Which two monosaccharides constitute maltose? a. Glucose and galactose b. Glucose and glucose c. Glucose and fructose d. Glucose and lactose
Group 1b afferents with sufficient rate coding can excite and depolarize an inhibitory interneuron. The net effect is the inhibition or downregulation of the agonist's alpha motor neuron. What is this spinal reflex called? autogenic inhibition reciprocal inhibition
Timed test 3 Ch. 5-6 14 00:52:23 Which type of skin gland becomes active with puberty? Multiple Choice Ceruminous gland Apocrine sweat gland Eccrine sweat gland Both ceruminous and eccrine sweat glands. Prev 14 of 50 Next
Crista galli Part C (3 of 10) Identify the cranial nerve that passes through the olfactory foramina. The olfactory nerve (CN I) The oculomotor nerve (CN III) The optic nerve (CN II) The abducens nerve (CN VI)
Since Joel's blood lipids are altered, you recommend Joel use olive oil when cooking, consume foods with Omega-3 fatty acids and cut his fat intake. What is the main type of fatty acid found in olive oil?
The Rockport walk test, 1.5-mile run/walk test, and 3-minute step test are all examples of Multiple Choice field tests of cardiorespiratory endurance. standardized tests of flexibility. laboratory tests of maximal aerobic capacity. 1-RM tests of maximal strength.
Question 5 of 15 A fruit fly, Drosophila melanogaster, that has only one sex chromosome (XO) and two sets of autosomes would have which sexual phenotype? O metafemale O female O intersex O metamale O male Resources
MULTIPLE-CHOICE QUESTION What does passive transport mean? No energy, moves against the concentration gradient Needs energy, moves with the concentration gradient No energy, moves with the concentration gradient Needs energy, moves against the concentration gradient. Rewatch Submit
When a few individuals decide to leave the original population and form a new one; consequently, changing the genetic frequencies of the new population. A Bottle neck B Founder effect C Convergence D none of the above
Question 20 3 pts What were the three defining characteristics of early Earth that led to the evolution of the earliest prokaryotes? Constant solar (Sun) radiation Anoxic atmosphere Large deposits of nitrogen in Earth's crust Extremely hot
The archaellum is O a structure found in many archaea that confers motility O a special protein layer that surrounds many archaeal cells O a specialized area in the archaeal plasma membrane to which a flagellum attaches
In which phase of the growth curve does preparation for cell division and synthesis of enzymes needed for catabolic activity take place? O stationary phase O lag phase O all phases O death phase O exponential phase
12 Multiple Choice 5 points (Q008) The Supreme Court held that states could not restrict voters on account of race in the case of Miller v. California. Gitlow v. New York. Smith v. Allwright. Gibbons v. Ogden.
Question 19 1 pts Which of the following has the largest driving force across a neuronal cell membrane? O Cl- O Na+ O Ca++ O K+ O None of the answer choices because all are at equilibrium
The lining of the vertebrate digestive tract is one cell thick. Which junctions between neighboring cells in this lining prevent leakage, and allow the cells to form a sheet? O Communicating O Gap O Anchoring O Tight
MULTIPLE-CHOICE QUESTION What is the cell membrane's role in maintaining homeostasis? it controls what enters and exits the cell it helps maintain the shape of the cell it protects the cell it keeps all the organelles inside the cell. Rewatch Submit
In order to prevent pulmonary emboli, a filter may be placed into which of the following vessels to prevent clots from being carried into the pulmonary circulation? Subclavian vein Pulmonary artery Femoral artery Inferior vena cava
26. Which double-strand DNA in the picture below is a B-DNA molecule? A) the left one B) the middle one C) the right one D) None of the above Minor groove Major groove Minor groove Major groove Minor groove Major groove
A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known as Multiple Choice active transport. exocytosis. diffusion. facilitated transport. osmosis.
Please answer questions related to the below peptide structure at pH = 7. ACEK 29) The peptide contains: (A) -CH2-CH2-SH R group (B) -CH2-SH R group (C) -CH2-COO- R group (D) Four peptide bonds (E) None of the above are correct
Common signs and symptoms of an allergic reaction include all of the following, EXCEPT: Select one: A. drying of the eyes. B. abdominal cramps. C. persistent dry cough. D. flushing of the skin.
Question 5 1 pts Production of energy from the absorbed components of protein, fat, and carbohydrate occurs primarily in which part of the cell. O selectively-permeable membrane O cytoplasm or cytosol O fat droplet O mitochondrion
This is when an individual doesn't have the basic necessities of life, i.e. they live on the streets with little access to shelter, barely eat, nor have clothing or shoes. Select one: absolute poverty relative poverty
A Legumes have root nodules with nitrogen-fixing bacteria. B Legumes convert ammonium to nitrates. C Root nodules on legumes have denitrifying bacteria. D Legumes are an immediate source of phosphorus and nitrogen. E Root nodules on legumes produce nitrifying bacteria.
Which are the two major types of carbohydrates? O DNA and RNA O proteins and fats O amino acids and polypeptides O None of these O glycerol and fatty acids O nucleotides and nucleic acids
Which of the following structures contains the FIRST cell body of the ascending afferent tracts projecting to the contralateral parietal lobe? Ventral root Ventral horn Dorsal horn Dorsal root ganglion (DRG) Ventral root ganglion (VRG)
Question 29 1 pts Emily ate a chocolate chip cookie and choked when a chocolate chip went down the wrong way. Because of the presence of the chocolate chips, the cookie was contaminated. True False
In broiler breeders, how are hens restricted from male feeders? Male feeders are too high Male feeders have specialized openings for only males Males are fed in different house from females They are not restricted
VO2 is determined by the amount of Multiple Choice blood pumped by the heart per beat. oxygen that can be brought into the lungs. mitochondria in the cells. blood pumped by the heart per minute.
In some strains of bacteria, a genetic mutation has resulted in an inability to produce fimbriae. What ability do these bacteria likely lack? Multiple Choice The ability to conjugate Protein synthesis Attachment Spore formation Motility
Which of the following statements about bacteria is FALSE? They have 70S ribosomes Bacteria lack membrane-bound organelles. Their DNA molecules are circular and supercoiled inside the cell Bacteria are single-celled. They undergo mitosis and meiosis in order to reproduce.
Self-Check Use this self-check to gauge your understanding. You can retake it as many time 9 of 9 Material enters and leaves the nucleus using pores in the ______ nuclear envelope nuclear wall nuclear filter
The ______ species concept holds that "species are groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups." A biological B morphological C lineage D none of the above
"Alternative splicing is a process that sometimes occurs in eukaryotes, in which more than one version of mature mRNA can be made from the same gene." The preceding statement is... True False
Olivia is going to the pool to swim laps but is hungry. Which of the following foods would be the best choice before such vigorous activity? Multiple Choice oatmeal cheeseburger lean steak taco salad
Which of the following structures contains the THIRD cell body of the ascending afferent tracts that project into the parietal lobe? Dorsal Cerebellum Contralateral Thalamus Dorsal Root Ganglion (DRG) Dorsal Column Nuclei (DCN) Basal Ganglia
Which of the following is TRUE? Enzymes lower the free energy released by the reaction that they facilitate. Enzymes lower the activation energy for a specific reaction. Enzymes can change the equilibrium point for reactions.
Which of the following statements IS FALSE? A Populations evolve B The Evolutionary Theory and the Natural Selection Theory are the same C Evolutionary change requires genetic change D none of the above is false
Type IIa muscle fibers _______ Multiple Choice are known as fast-twitch red fibers can produce energy by aerobic processes only are also referred to as FG can produce energy by the lactic acid system only
Question 39 of 50 © Macmillan Learning When a sperm penetrates the nucleus of the ovum, the two meld into one cell. That event is called ______. O fertilization O ovulation O genesis O zygosity
Question 3 (2.5 points) What two eukaryotic organelles are thought to have arisen from endosymbiosis nucleus and endoplasmic reticulum chloroplasts and mitochondria endoplasmic reticulum and the Golgi apparatus cytoskeleton and flagella Question 4 (2.5 points)
4. Biofilms are found O on teeth. O on a variety of surfaces including shower curtains, the walls of swimming pools, and teeth. O on shower curtains. O on the walls of swimming pools.
Both Broccoli and Cabbage descended from the same wild mustard and still interbreed. The existence of these two vegetables is an example of: A speciation B artificial selection C natural selection D genetic drift
Part B (2 of 10) Identify the landmark that projects superiorly into the floor of the skull and serves as a site of attachment for the meninges. Vomer Cribriform plate Perpendicular plate Crista galli
Question 8 0.5 pt Acute aerobic exercise at altitude (non-acclimitized) causes __________. Select all that apply. Greater reliance on CHO Increased fluid loss through ventilation Decreased performance Increase in VO2max Increased basal metabolic rate
If a heterozygous parent ($AB/ab$) is testcrossed to a homozygous recessive ($ab/ab$), what will the progeny phenotypic ratio be if genes $A$ and $B$ are completely linked? 1AB:1Ab:1aB:1ab 9AB:3Ab:3aB:1ab 1AB:1ab None of the above
Which of the following is not one of the four main components of all plasma membranes? O Integral membrane proteins O Peripheral membrane proteins O Lipid bilayer O Extracellular matrix O Cell surface markers
During glycolysis, one six carbon sugar (glucose) is broken down to __________. Multiple Choice two 3-carbon molecules of pyruvate six 4-carbon molecules of citrate three NADH and four FADHâ‚‚ one 3-carbon molecule of pyruvate
Nucleotide changes that result on new products (different amino acids) or no products at all are examples of: A Synonymous substitutions B Nonsynonymous substitutions C both, a and b D none of the above
MULTIPLE-CHOICE QUESTION Which of the following is NOT true about active transport Molecules can move against the concentration gradient Molecules always move from high concentration to low concentration It requires ATP (energy) Rewatch Submit
_______ binds to its receptor on the _______ which causes electrical signals to travel through the sarcolemma and into the T-tubules. acetylcholine; motor end plate acetylcholine; synaptic cleft acetylcholine; neuromuscular junction acetylcholine; muscle fiber
18 Multiple Choice 1 point The end results of signal transduction are varied but can include All of the answers are correct. Cellular differentiation. Induction of cell division. Altered metabolism. Altered protein secretion patterns.
Score: 202/450 Question A DNA nucleoside is comprised of _____. a phosphate group, ribose, and a base ribose and a base only a phosphate group, deoxyribose, and a base deoxyribose and a base only
When Lahn encounters an unfamiliar word, they use the context provided by its sentence and surrounding paragraph to construct an understanding of its meaning. Lahn's example BEST illustrates ____ processing. peripheral bottom-up top-down central
All of the following substances affect fluid balance except: Taking over-the-counter medications. A daily multivitamin. Consuming 3 cans of Red Bull every day. Daily consumption of V8 for breakfast. Drinking 3 beers every day.
2. The first step in conjugation is O the release of quorum signaling proteins by each cell. O contact between the donor and recipient. O duplication of the plasmid. O mobilization of the plasmid.
As indicated in the KEGG pathways for fatty acid degradation and biosynthesis, which pathway does NOT use acetyl-CoA as a substrate? O citric acid cycle O glycolysis O butanoate metabolism O fatty acid biosynthesis
Select all that apply Which of the following are features that all cells have in common at some point in their lifespan? Plasma membrane Endoplasmic reticulum Centrally located genetic material Cell wall Cytoplasm
The pedigree above shows inheritance of an X-linked recessive disorder. What is the probability that the next child of II-4 and II-5 will be an unaffected male? 3/4 1/4 0 1/2 1
Question 16 of 20 Which type of study finds the highest level of evidence for the effectiveness of a particular treatment? Case control studies Randomized controlled trials Descriptive studies Meta-analysis Confident Not Sure
What are the characteristics of model organisms that make them useful for scientific studies? They reproduce quickly All of the answers are correct They possess simplified cellular system They are easy to maintain
The rate limiting step in the Krebs cycle is metabolically favored by the following metabolites ratios... O high [NAD+]/[NADH] ratio O low [succinyl CoA]/[CoA] ratio O high [ATP]/[ADP] ratio O low [malate]/[fumarate] ratio
3 Multiple Answer 1.5 points Which of the following are functions of electrolytes? Choose all that apply. Regulation of fluid balance. Regulation of the immune system Act as a solvent Stimulate muscle contraction
Which of the following is the most likely site for hematopoiesis in the adult human O proximal epiphysis of femur O distal metaphysis of femur O cuboid bone of foot O carpal bones
Part A (1 of 10) Identify the location of the ethmoid bone. The floor of the skull The lateral surface of the skull The superior portion of the skull In between the orbits
All the following are TRUE about projects EXCEPT? A Go on indefinitely B Have one major goal C Produce something unique D Are very complex Last saved 7:25:00 PM Questions Filter (50) Search
Rank these chromosomal mutations based on the severity of their phenotypic consequences in humans. most severe least severe Answer Bank aneuploidy of a sex chromosome trisomy of an autosome monosomy of an autosome
1. Which of the following is a function of the lymphatic system? a. a) Oxygenating blood b. b) Removing excess interstitial fluid c. c) Producing red blood cells d. d) Digesting nutrients
Find the volume of the solid obtained by rotating the region bounded by $y = \frac{1}{4}x^2$, $x = 2$, and $y = 0$ about the $y$-axis. Below is a graph of the bounded region. Volume =
What does a metabolic cart measure? Multiple Choice older people's anaerobic capacity the resting heart rate of extremely fit athletes breath-by-breath amounts of oxygen and carbon dioxide exchange maximum blood pressure during activity
0 of 33 Concepts completed Fill In the Blank Question Once an osteoblast surrounds itself with bone matrix it matures into an Need help? Review these concept resources. Read About the Concept
What is the magnifying power of the typical highest power objective (by itself), found on most compound light microscopes? O 400 X O 40 X-100 X O 10 X O 20 X
In terms of exercise intensity, the American College of Sports Medicine recommends an intensity of about ______ percent of $$HR_{max}$$ to ensure increases in cardiorespiratory fitness. Multiple Choice 60-75 57-94 40-60 75-90
You are looking at a tissue under the microscope. The cells have an irregularly thickened primary cell wall and a living protoplast. What type of tissue is this? Phloem Sclerenchyma Parenchyma Collenchyma
14 Multiple Choice 1 point What level of gene expression is regulated by such factors as Notch1 and GATA-2? Translation RNA processing Replication None of the answers are correct. Transcription MacBook Air
19 00:02:19 When one walks into a cold room, exposed skin will experience Multiple Choice epidermal vasoconstriction. dermal vasodilation. dermal vasoconstriction. increased sweat gland activity. < Prev 19 of 50 Next >
The predominate energy system used to produce ATP during an exercise bout lasting <10 seconds in duration is...? Aerobic Energy System Glycolytic Energy System ATP-PC System None of the answers are correct
To meet the recommendations of the 2020-2025 Dietary Guidelines for Americans, healthy adults should consume less than ______ percent of total daily kcals from saturated fats. Multiple Choice 20 30 5 10
Which of the following is not a primary objective of corrective exercise? a. Increased maximal force output b. Enhanced stability and force transfer c. Encouragement of proper muscle activation d. Improved mobility
Although Darwin's voyage aboard the HMS Beagle took him around the world, most of his observations on natural history were made in. A Europe B South America C Australia D North America
Nonsynonymous nucleotide substitutions A Are likely to be deleterious to the organism B Show the highest substitution rates in organisms C Do not change encoded amino acids D none of the above
Which metabolic pathway is common to aerobic cellular respiration, anaerobic cellular respiration and fermentation? glycolysis electron transport chain the conversion of pyruvate to acetyl CoA the Kreb's cycle the transfer of electrons to Oâ‚‚
Which of the following is an eating disorder characterized by a refusal to eat enough to maintain a reasonable body weight? Multiple Choice body dysmorphic disorder bulimia nervosa binge-eating disorder anorexia nervosa
18 Fill in the Blank 2 points In the context of memory, visual information is stored in Type your answer... or memory and sound information is stored in Type your answer... memory.
2 Multiple Choice 1 point _______ is best described as a set of goal-directed actions a firm takes to gain and sustain superior performance relative to competitors. Values Mission Strategy Vision
Score: 307/450 Question Value: 35 The demonstration that DNA is the ______ agent was the first evidence that genes are composed of ______. transforming; DNA preserving; DNA preserving; polysaccharides transforming; polysaccharides
Mechanism of evolution where allele and genotype frequencies are now represented only by a few survivors of the original population. A founder effect B bottleneck C gene flow D natural selection
A- What type of epithelial tissue covers the outer surfaces of the body such as the skin and mucous membranes? (2)- Ch 4 B- Why is it found in these locations?
copy link MULTIPLE-CHOICE QUESTION Cellular Respiration produces the ATP your body needs everyday. What type of reaction is Cellular Respiration? carbohydrate anabolism a powerhouse reaction catabolic reaction anabolic reaction Rewatch Submit
Genetic engineering is used to change the characteristics/abilities of organisms. is involved in making vaccines. is involved in making various molecules, such as interferon. involves manipulating DNA. all of the above
Q 14 of 14 Using the word "doll" to mean "my doll got wet" is an example of holophrastic speech. True False Do you need a hint? Search or type URL
A term for the central epithelium lining any tube that exits the body and is free to the open environment is called what? Deep connective tissue Lumen Basement membrane Basolateral membrane
Which of these methods can be used to obtain a viable cell count? O counting chamber O turbidity measure O plate counts of serial dilutions O loop dilution O optical density
18) Collagen typically has greater than average amounts of the following amino acid(s)? A) P B) G C) V D) Both A and B E) None of the above are correct
Question 5 Which lobe of the cerebral cortex is located in the area of the brain parallel to the ears? O Frontal O Parietal O Occipital O Temporal Confident Not Sure
Antidiuretic Hormone Proteins Antidiuretic hormone (ADH) activates which proteins in the distal convoluted tubule (DCT) and collecting duct when present? Water transport pump Aquaporin-1 Aquaporin-3 Aquaporin-2 Glucose transporter type 4 (GLUT4)
What component of the host cell is required for the successful functioning of viral attachment protein? host cell receptor host cell attachment protein host cell phospholipid membrane host cell entry protein
The basal grade angiosperm lineages include which of the following taxa? Amborella trichopoda The order Nymphaeales The order Austrobaileyales All of the above are included in the basal grade angiosperms.
Review Inputs That Control Hormone Secretion Which of the following controls hormone secretions? O nutrients O ions O neurotransmitters O hormones O all of these
What is the net number of ATP molecules produced from the catabolism of one molecule of glucose ($$C_6H_{12}O_6$$) during FERMENTATION? O 74-76 O 2 O 15-18 O 34-38 O 4
The outcome of the Gram stain is based on differences in the bacterial cell's Multiple Choice inclusions. cell wall. cell membrane. flagella. ribosomes. < Prev 15 of 20 Q Search
In ecology, we are concerned about the rate of microbial activity in a given habitat. Microbial activity rates are dependent on (select all th pH urbanization temperature nutrient availability moisture
During the elongation stage, the sigma factor is released from RNA polymerase, which slides along the DNA in a way that maintains the goes. Need help? Review these concept resources.
Which of the following is an example of an ingredient that may act as a mild appetite suppressant? Multiple Choice raspberry ketone green tea extract conjugated linoleic acid bitter orange
MULTIPLE-CHOICE QUESTION What is the main job of Exocytosis? to bring fluid into the cell enfulf extracellular material expel material into extracellular space to bring food into the cell Rewatch
The is a network of protein fibers in the cytoplasm of eukaryotic cells involved in supporting the shape of the cell and anchoring organelles to fixed locations.
What is the most common disorder of the blood in the older adult? O a. Folic acid deficiency anemia O b. Sickle cell anemia O c. Thalassemia O d. Anemia
Question 36 1 pts Phospholipid fatty acid tails spontaneously cluster together away from the aqueous cellular interior and exterior environment due to their ______ nature. catalytic mosaic hydrophilic polar hydrophobic
Fill In the Blank Question The stage of mitosis in which chromosomes uncoil to become thin chromatin fibers and the nuclear envelope reforms is Need help? Review these concept resources.
MULTIPLE-CHOICE QUESTION catabolism is releasing energy by building up macromolecules releasing energy by breaking down macromolecules using energy by breaking down macromolecules using energy to build up macromolecules Rewatch Submit
Which of the following terms indicates the degree to which group members are attracted to one another and are motivated to stay in the group? Interdependence Integration Cohesiveness Sociability
What is the name of the fibrous covering of a long bone that is found everywhere except for the joint surface? O endosteum O periosteum O epiphyseal O diaphysis
Athletes who eat low-carbohydrate diets may experience a. dehydration and ketoacidosis. b. sports anemia and amenorrhea. c. kidney failure and fatty liver. d. high blood pressure and cardiac stress.
Question 14 (1 point) The analog clocks in the south block classrooms (e.g. our classroom), this is an example of: motor compatibility knowledge in the head forced function standardization
5um In this human cheek cell stained with methylene blue, what structure is indicated by the arrow? Mitochondrion Plasma Membrane Endoplasmic reticulum Nuclear Membrane Cell Wall Next MacBook Air
Review 11.1 Hormones and Endocrine Glands The chemical messengers that are carried through the blood to their target cells are called O hormones. O endocrine glands. O exocrine glands.
Which of the following are included in the "Biological Lenses" for biomimicry? (Select all that apply) Naturalist Lens Operating Conditions Lens Form and Function Lens Ecological Lens Local Lens
An excess of ______ in sports drinks may leave the small intestine undigested and cause bloating and gas in the colon. a. sucrose b. lactose c. glucose d. fructose
Almost all the energy in the food chain indirectly comes from the Sun's energy, that was harnessed by plants through photosynthesis. a. Write the balanced chemical equation for photosynthesis.
Review the Control of Growth Hormone and Insulin-Like Growth Factor Secretions. Which cells promote bone resorption by breaking down bone and releasing calcium to plasma? osteoclasts osteocytes osteoblasts chondrocytes
Which proprioceptor provides information on absolute stretch and the rate at which our extrafusal contractile proteins (somatic muscle) experience stretch tension? GTO Krause End Bulbs Muscle spindle Pacinian Corpuscles
The video of the "Wild orchid wasp mimic" that you saw in class was used to illustrate: A Gametic isolation B temporal isolation C habitat isolation D mechanical isolation
At the beginning of the action potential, which type of ions flow from outside the nerve fiber into the nerve fiber? Positive potassium Negative potassium Positive sodium Negative sodium
Part A (1 of 5) Which bone is NOT considered to be part of the cranium? Occipital bone Lacrimal bone Sphenoid bone Ethmoid bone Part B (2 of 5)
Crisis lines work because they A are cheap and convenient. B provide easy assessment of client functioning. C inhibit dependency. D are both "cheap and convenient", and "inhibit dependency".
The complete separation of a bone from its normal position in a joint is known as a: O a. strain O b. sprain O c. dislocation O d. subluxation
2. Which vessel type has the thinnest walls and allows for the exchange of gases and nutrients? a. a) Arteries b. b) Capillaries c. c) Veins d. d) Arterioles
Multiple Choice 1 point Which of the following cell types secretes IL-17 and may play a role in antifungal responses? Plasma cell $$T_{H}1$$ $$T_{H}2$$ $$T_{H}17$$ $$T_{reg}$$ MacBook Air
The absolute maximum amount of oxygen you can consume during peak exercise is referred to as Multiple Choice the HDL/LDL ratio. peak hemoglobin. VO2max. the A-V O2 difference.
A growing body of evidence indicates that sexual minorities in the United States experience fewer health disparities than do their heterosexual counterparts. A True B False Clear selection
11. Describe a simple blood vessel pathway. 12. Describe what is meant by an alternative pathway. Define the following examples of alternative pathways: • Portal system • Anastomosis
Question 7 (1 point) Listen fatty acids have and contribute to increased membrane fluidity. Saturated; double bonds Unsaturated; no double bonds Saturated; no double bonds Unsaturated; double bonds
Binary fission is a stage that occurs during division of what structures or organisms? O archaea O bacteria O chloroplasts O mitochondria O All choices listed are correct.
10 00:55:57 Which type of gland functions to cool the body with its secretions? Multiple Choice Sebaceous Eccrine Ceruminous Apocrine Prev 10 of 50 Next Mc Graw Hill
Phylogenetic trees have become an important tool in: A reconstructing past events such as zoonotic diseases B forensic investigations C reconstructing ancestral traits D all of the above
2. (6 points) Based on the tree below, do you think the data show evidence of divergent or convergent evolution for wings? Explain. Chordates Echinoderms Arthropods Annelids Mollusks
Bacteria on fish caught in the Arctic Ocean would be psychrophiles. be mesophiles. continue to grow while the fish is in the refrigerator. be thermophiles. a and c
5. When a genotype of one gene can cover up the effect of another gene, that is known as A. epistasis B. epigenetics C. dominance D. genomic masking
2 5 Multiple Choice 0.5 points 3 The pulmonary veins bring the blood to which chamber? 4 Right ventricle Left atrium 5 Left ventricle 6 Right atrium 7
The recombination frequency is most accurate in estimating the distance between two genes when that distance is less than _blank_ 25 m.u. 15 m.u. 0.05 m.u. 5 m.u.
Carbohydrates are made in plants, which use all of the following to trap energy in the bonds of carbohydrates, EXCEPT: a. Air b. Soil c. Water d. Sunlight
McGraw Hill 47 00:32:28 In which type of joint are bone ends enclosed within a capsule? Multiple Choice Cartilaginous Synovial Fibrous < Prev 47 of 50 Next >
Which of the following is NOT among the three major types of protein filaments that constitute the cytoskeleton in animal cells? Actin filaments Microtubules Intermediate filaments Cellulose fibers
Consumers benefit from __________ because it makes products simpler to use and lowers the cost of repairing them. raw materials just in time production materials standardization worker training
Due to their ability to restore a tissue-like environment, hollow fibre bioreactors (HFBs) show great potential among different systems used to culture hepatocytes. A True B False
Saved Which of the following depreciation conventions is not used under MACRS? Multiple Choice Full-month Half-year Mid-month Mid-quarter All of the choices are used under MACRS. Prev 18 of 40
Which of the following organs is more immune in function than endocrine, although we list it as one of the primary endocrine organs? Parathyroid Thymus Heart Thyroid
Which of the following exercises would be the correct selection for addressing tight hip flexors? a. Single-leg RDL b. OH lunge c. Front squat d. Lateral lunge
Question 30 In humans, liver and muscle cells require a lot of energy; therefore, these cells contain an abundance of fructose chitin sucrose glycogen starch
1. Plasmids are O small pieces of linear DNA. O made of single-stranded DNA. O able to replicate independently of the chromosome. O found in all bacteria.
Scientific discipline concerned with the understanding of human interaction with the elements of a system is known as: A Quality B Manufacturing C Work Design D Reliability
In fermentation, ATP is produced: By glycolysis and the Kreb's (TCA) cycle By glycolysis only By anaerobic respiration By glycolysis, Kreb's (TCA) cycle and electron transport chain By catabolizing fats
Select all that apply Choose the four main components of all eukaryotic membranes. Cell surface markers Peripheral membrane proteins Extracellular matrix Integral proteins Phospholipid bilayer Actin filaments
Mycobacterium tuberculosis is most readily transmitted through: drinking milk from or the milking of infected cows. shaking hands and then rubbing your eye. coughing. accidental direct inoculation.
The inability of lateral inhibition to explain some perceptual effects suggests that some contrast effects are based in the macula. the cortex. the lateral plexus. the retina.
One of the most important steps of the scientific method is to formulate a __________, which is a tentative explanation for a phenomenon, based on available information.
What is the cause of infectious mononucleosis? a. Person's own immune system b. Epstein-Barr virus c. Deficiency in clotting factor d. The loss of whole blood Search
Which of the following is an example of a closed-chain, closed-circuit exercise? a. Barbell front squat b. Walking dumbbell lunge c. Seated military press d. Leg extension
Part A The cilia and flagella of eukaryotic cells are composed of _______. O pili O microtubules O microfilaments O tonofilaments O intermediate filaments Submit Request Answer
10 -- 12 -- 13 -- 15 -- The neural response of the gastric phase is stimulated by: Mucus the Central Nervous System Elevated pH Stretch HCl
How do lipid membranes act as a semi-permeable barrier? through their hydrocarbon tail through their hydrophilic reactions through their hydrophobic interactions through their membrane proteins
Q2. Why is mRNA so unstable in most bacteria (half-life of about 1 min)? In many organisms, mRNA half-lives are much longer (>1 hr). Why?
Why does McDonald's use the color hunter green as the background for its golden arches logo in Europe when it uses red in the United States?
2) Describe how the structure of yeast fungi differs from that of other fungi? 3) What is the difference between a diploid organism and a dikaryon?
the hierarchical structure of skeletal muscle is: muscle -> _______ -> muscle fibers (cells) -> myofibril -> myofilaments (actin & myosin) fascicle endomysium epimysium myofibrils
Question 9 1 pts Which process describes the ability of living organisms to maintain an internal environment within a tolerable range? respiration development observation homeostasis metabolism
Vulvovaginitis in the vulva and vagina can be caused by which of the following organisms? Bacteria Fungi Protozoa All of the above None of the above
Question 3 All of the coyotes (Canis latrans) living in the Mojave Desert constitute a(n) _____. O ecosystem O biosphere O organism O population O community
Hydrogen bonding between backbone atoms (rather than side chains) is primarily responsible for which level of protein structure? Primary structure Tertiary structure Quaternary structure Secondary structure
Question 4 1 pts Bacterial mutants that cannot grow unless a specific cellular building block is added to the medium are called __________. Auxotrophic Prototrophic smooth rough
The patient with which type of anemia must avoid strenuous exercise and cold temperatures? 1. Aplastic 2. Sickle cell 3. Hemolytic 4. Anemia of chronic disease
Question 6 Which dysfunction does the auditory-evoked potentials technique detect? Loss of vision Degenerating diseases High-frequency hearing loss Nerve and spinal cord damage Confident Not Sure
Which trait most closely aligns with a leader who stays focused and stays the course (persevere)? O determination O intelligence O confidence O sociability O charisma
ted Bl... CarrilloEDSTPortfo... Q 8 of 15 The brain's plasticity refers to its ability to _____. adapt interpret identify remember PREVIOUS NEXT Search or type URL
Recharge Mc Graw Hill Fill In the Blank Question Organelles that are membranous sacs containing powerful digestive enzymes are called Need help? Review these concept resources.
Which of the following is NOT a step in the evolution of raw data to Business Intelligence? Data Deletion Data Interpretation Data Storage Data Collection
Question 27 An -OH group is characteristic of _____. alcohols and sugars proteins ribose and deoxyribose; increase rigidity of the molecule amino acids sterols and phospholipids
4. The spleen functions in all of the following except: a. Filtering blood b. Storing iron c. Removing old red blood cells d. Producing platelets
Which treatment would be provided to a patient with spinal cord compression to rearrange the bony tissue? Surgery Everolimus Epoetin alfa Parenteral fluid Confident Not Sure
Which of the following hormones is involved in reducing the amount of glucose in the blood in reaction to hyperglycemia? Multiple Choice Insulin Epinephrine Glucagon Cortisol
Foods that provide the most vitamin A precursors such as beta-carotene are _ milk and milk products meat brightly colored fruits and vegetables whole grains
35 00:37:53 In which bone would the external acoustic meatus be found? Multiple Choice Maxilla Parietal bone Temporal bone Zygomatic bone Prev 35 of 50 Next
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