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Biology Q&A Archive of October 17, 2024

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October 17 of 2024

list how strata spinosum,basale, corneum, granulosum, and lucidum all work together in the integumentary system

What does it mean that caffeine is highly lipid soluble? Group of answer choices all of these answers are correct it can easily cross the blood brain barrier in can be absorbed through the skin it affects many different organs in the body

Enzymes in barley assist with germination and also play a major roll in converting starch to sugar. What is the name of this enzyme?

Two parents with wavy (slightly curly) hair have children. One child has very straight hair, and the other child has very curly hair. They are concerned that a genetic mutation has occurred in one or both of their children. What is an alternate biological explanation using genetics? Show the…

The reason that the mutant allele a generates a non-functional purple pigment protein is because: Question options: The mutation inserts DNA that stops the plant from generating the full-length protein. The mutation changes the DNA sequence so that the protein becomes a green pigment…

which of the following pH classifications of microbes prefer a pH of 4.5?

Humans belong to a lineage of mammals called the Question 80 options: carnivores hominids edentates odd-toed ungulates

Which of the following is an evolutionary advantage of seeds in plant reproduction? Group of answer choices Seeds can remain dormant until opportune germination conditions occur. Seeds contain stored resources to support development of newly germinated seedlings. Seeds contain multicellular…

When there is no oxygen available, animal cells can continue to make ATP for a short time because Blank______ regenerates NAD+, allowing glycolysis to continue. Multiple choice question. aerobic respiration lactic acid fermentation the citric acid cycle alcohol fermentation

You have just performed a hematocrit on a male patient. The total column height is 55mm. The total height of your RBC's 27mm. What is his hematocrit? What is the normal range for males and is he within range?

the right lung has 3 ____ and the left lung has ________ seondary bronchi

What term refers to a muscle that aids another muscle by producing the same the movement or reducing undesirable movements? fixator antagonist synergist prime mover

which is the most common cause of mechanical boswel obstruction volvulus fecal impaction surgical adhesions intussusception

Beta-carotene and lutein are carotenoids. What is the primary color that they absorb (and therefore not reflect

An example of a density-dependent factor which might affect population growth rates is ___. An example of a density-dependent factor which might affect population growth rates is ___. increased spreading of disease/parasites between individuals forest fire killing off many individuals in a…

IF cardiologist inserts the catheter into the patient’s right femoral artery (the traditional blood vessel used for the catheterization procedure). What sequence of arteries would the tube have to pass through to reach the entrance of the left coronary artery?

A particular growth factor can stimulate many types of cells to undergo cell division. A potential inhibitor of this growth factor is tested on cultures of epithelial cells grown in vitro. Culture dishes of epithelial cells are treated with different experimental conditions for two days and…

number of cells observed out of 200 are interphase at 170 and mitophase at 4 is a total of 174 out of 200. what is the proability a randomly cell will undergo cell division?

The process by which large food components are broken down into smaller substances, including individual nutrients, is called ______. Multiple choice question. anabolism absorption photosynthesis digestion

Protein synthesis is initiated when a copy of a gene is made. Identify the base pair combinations that occur between DNA and RNA. The first letter in each pair is a DNA nucleotide, whereas the second letter is an RNA nucleotide.T-GA-UA-TG-CUC

Which is not a common nutritional concern in alcoholics? A. Vitamin B-12 deficiency B. Protein Energy Malnutrition (PEM) C. Vitamin A toxicity D. Iron deficiency

Label where the stimulus come in. This triggers the ion channel to open

The deep layer of skin is called the subcutaneous .target 1 of 5 An injection given under the skin is a dermis injection.target 2 of 5 The cells that produce melanin are melanocytes .target 3 of 5 Skin cancer arising in the stratum basale is called basal cell carcinoma .target 4 of…

This retrovirus enzyme synthesizes complementary DNA from a RNA template. Group of answer choices Helicase Reverse transcriptase Repair polymerase Topoisomerase

Which of the following needs to occur in order for the GFP to be translated fused to the protein of interest?

supposed you are viewing a gram stained field of pink rods and purple cocci through the microscope. What can you conslude about this culture?

Which company announces a competition to choose a beautiful girl? PLEASE NOTE: Only one answer is correct. Group of answer choices Ambrosio Film Colonna Film Arco Film Stella Film

What proportion of Americans will have cancer at some point in their lifetime ? 100 75 50 25 Question 5 Choose the most accurate statement describing the epidemiology or etiology of cancer : Liver cancer is among the top four major sites of cancer 1 pts One in four U.S. residents will have…

During glycolysis and muscles during exercise what are the two main metabolic fates of pyruvate

Match the RNA with its description/function. Group of answer choices mRNA along with proteins, is part of the structure of ribosomal subunits rRNA transfers amino acids from a cytoplasmic pool of amino acids to a growing polypeptide in a ribosome tRNA carries a genetic message from the DNA to…

what serves as echo chambers in the production of speech in the human body

The amino acid carried by the tRNA ARE EVENTALLY JOINED TO ONE ANOTHER BY

Which cell or organelle is most similar in size to the bacterium? lysosome mitochondria chromosome nucleus

All detergents are amphipathic. Complete the passage about the hydrophilic and hydrophobic portions of lysolecithin. The _()_(_())_( o)n C-2 and the _()_(_())_(_())_( o)n C-3 are hydrophilic. The _()_(_())_(_()) on C-1 is hydrophobic. The pain and inflammation caused by a snake bite can be…

the fossil record and genetic data from hundreds of thousands of living people all support the hypothesis that anatomically modern homo sapiens first evolved in

How have Eastern and Western traditions affected the shape of sport, how it is played, and how it is experienced? What differences exist between Eastern and Western sport in purpose, strategy, attitudes toward opponents, and conceptualizations of winning and losing?

A person is said to be ________ when he/she has gonads of one sex, but external genitalia that are ambiguous or typical of the other sex. Group of answer choices transsexual intersexual a hermaphrodite ambisexual

Where is the highest concentration of voltage gated (ion) channels in a neuron? Group of answer choices in the dendrite area in the axon nearest the soma in the soma in the axon nearest the synapse

Regina began an exercise program six months ago, and the muscles of her upper limbs and lower limbs have become more prominent. How does exercise lead to formation of new muscle?

5.Is the insulin receptor a GPCR or a RTK? How does insulin secretion lead to the lowering of blood glucose level? What is the difference between type I and type II diabetes? What type of practice/treatments might help lowering the blood glucose level in type II diabetic patients?

What changes in breathing pattern would be anticipated in patients with congestive heart failure Part III: In comparing Part II to Part I, the patient's lung compliance is a. decreasing b. increasing Part III: In comparing Part II to Part I, the patient's lung compliance is Part III: In…

which of the following is not a target of a sympathetic preganglionic fiber

You finish a run up Mt. Eldon and quickly chug a gallon of water. This causes a temporary increase in blood volume and stretches the atria of the heart. The heart, in turn, releases -------------------, which helps bring blood volume back into homeostatic balance by ------------- urine output. …

the diameter of a cell is 20 um. you want to make a model of this cell where 1.0 cm represents 0.5 um. what would be the diameter of the model cell

Knee Dalgas and varus are associated with which common knee injury

Acid content and pH are basically the same thing. Group of answer choices True False

For free movement, synovial joints depend on: Group of answer choices the presence of dense regular connective tissue a parietal membrane sliding across a visceral membrane the presence of fibrocartilage to allow movement a fluid filled synovial cavity and smooth articular surfaces

Which summarizes the relationship between condensation reactions (dehydration synthesis) and hydrolysis? a. they must occur simultaneously because the products of one process are the reactanst for the other process b. hydrolysis reactions only occur in prokaryotes, and condensation reactions…

What areas/body regions does our skin have more nerve endings? How could this be important?

Name the macromolecules used as food to produce ATP molecules. proteins carbohydrates fats only a and c a, b, and c are correct answers

2. How many phenotypically different kinds of progeny could potentially result from the cross A 1A 2 B 1B 3 C 2C 4 D 1D 4 x A 1A 1 B 3B 3 C 2C 2 D 4D 4 if alleles of each gene show incomplete dominance and four genes are unlinked? A. 1 B. 2 C. 4 D. 8 E. 16

Which of the following are the traditional signs of diabetes? Multiple select question. increased urination excessive hunger increased thirst extra energy

Which of the following types of structures connects one bone to another bone? Group of answer choices Tendons Ligaments Aponeurosis Fascia

What causes tattoos to fade? How does the immune response fade tattoos?

All of the following statements about chemical synthesis of DNAare true except functional groups on the nucleotides are blocked to control where the next nucleotide will be incorporated genes can be assembled from the synthesized pieces adjacent nucleotides are linked through hydrogen bonds…

For the DNA repairing in the absence of light, _()_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_( e)nzymes are required.

Susan was digging up her backyard to put in a pool a requirement for Fresno living. She found a bunch of long bones but cannot tell whether they are upper limb or lower limb bones. Please, help her identify and name the long bones. Give her some tips to tell the difference between upper and…

Restriction endonucleases • are primarily ribonucleases • act only on the DNA of the cell in which they are found • have very little specificity in the sites they cut at • only cut circular DNA • can be used to construct hybrid plasmid molecules

How many kcal are produced per liter of oxygen consumed when utilizing solely fats? Group of answer choices 4.85 kcal/L O2 4.7 kcal/L O2 5.0 kcal/L O2 5.1 kcal/L O2

Which of the following is a characteristic feature of anabolic pathways?

A disease of unknown origin that produces widespread pain of musuloskeletal structures of the limb facing trunk is known as

What is the function slash description of nodes of Ranvier? 1. Region where neurotransmitters are released to pass on a message to a different cell. b. The cell body of a neuron. c. Insulates the axon of neurons in the PNS. d. Information receiving structure of a neuron. e. Location where…

How does osmoregulation work in Paramecium to allow this single-celled organism to live in fresh water?

an example of a highly vacular tissue is and an example of a tissue that is not highly vascular is

Genes govern the cell by controlling the manufacture of ______________________________. Question 8 options: electrolytes carbohydrates lipids proteins

The _____ secretes gastric juice, which contains enzymes that break down some protein and fat. Multiple choice question. stomach gallbladder large intestine esophagus

Money’s relationship with human biology is BEST described as ____. Group of answer choices a development that is too recent to have directly shaped human nature biologically a financial “instinct” one that is programmed into our DNA an innately desirable commodity

Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered…

1. In the 2012 Summer Olympics that took place in London, the South African delegation included Oscar Pistorius, a double-leg amputee runner who had qualified to participate in the 400-meter sprint and the 400 x 4 relay race. Pistorius was a gifted athlete, but many people in the Olympic world…

(d) What are the three general categories of molecules produced as fermentation waste products?

at the end of meiosis, in females they have ona egg and what?

Within this population of giraffes, the giraffes with yellow skin are recessive to the giraffes that have tan skin. If the population follows the assumptions of Hardy-Weinberg, answer the following questions a. What is the frequency of the recessive allele b. What is the frequency of the…

PART 5: Logistic Growth in Bacteria Return to the “Introduction” section for the logistic growth model and open the bacteria example linked at the bottom. Read through this example if you haven’t already. Optional Question: The example claims that the population growth rate at 240 hours will be…

What is the life span of a red blood cell? How does it anucleate condition affect the this life span

Rank the following microbes in order of their resistance to antimicrobial agents from least to most resistant (1 is least resistant).

A family presents to a physician’s office with unexplained symptoms. The doctor orders genetic testing to identify that the third male child in the third generation of a family is affected with a genetic disorder. The doctor requests all living family members also get tested. The family…

Glucose and fructose join to form sucrose and water. what type of chemical reaction is described

You have been training a horse for competitive trail classes. Competitive trail is an endurance competition. If the program is truly conditioning the horse what changes would you expect in the muscle? (Check all that apply) Decreased capillarization Increased type I fibers Increased oxidative…

Define the following terms and discuss their contribution to Cell Signaling. Give an example of each. Explain how cell signaling contributes to homeostasis and homeorhesis. Endocrine Autocrine Paracrine Juxtacrine

Individuals with poorly controlled diabetes are at an increased risk of Blank______. Multiple select question. cardiovascular disease blindness kidney disease Parkinson's disease

How does the structure of the pelvic girdle differ from the pectoral girdle and how do these differences affect motion at each joint?

9. Brucella spp. are intracellular bacteria that are usually found in animals or unpasteurized milk, with humans being accidental hosts. They are oxidase and urease positive. List the 4 species that are known to infect humans, and their reservoir.

Many zoos and aquariums breed endangered species in their care. Why can't all of the endangered species being managed in captivity be reintroduced back into the wild? A-The offspring of some species require training from their mothers in order to be successful in the wild, which is something…

Heat shock proteins (HSPs) are a class of molecular chaperones. What triggers their increased production in cells? Cold temperatures Cell division Cell differentiation Heat and other forms of cellular stress

Papain and bromelain are the two most commonly used enzymes in commercial meat tenderizers.Research to answer the following questions about these enzymes.What are meat tenderizers? What are they used for?What type of enzymes are papain and bromelain (what is their substrates)?What is the…

Which of the pharyngeal region(s) serve as part of the digestive passageway? Which of the pharyngeal region(s) serve as part of the digestive passageway? Oropharynx Nasopharynx, oropharynx, and laryngopharynx Oropharynx and laryngopharynx Nasopharynx and oropharynx

What are the products of the Citric Acid Cycle (per 2 acetyl CoA)? Question 4 options: 6 NADH, 2 FADH2, 2 ATP, and 4 CO2 2 NADH, 30 ATP, and 2 CO2 6 NADH, 2 ATP, 2 CO2, and 2 glucose 2 NADH, 2 ATP, and 2 pyruvate

Which of the following is not a function of lactic acid in sweat?Multiple ChoiceTo form an acid mantle on the skinTo reduce the number of pathogens on the skinTo maintain a pH between 4 and 6To produce a scent that influences behavior

a cells dna has 40% cytosine bases. What is the percent of its bases are guanine

How many different species of protozoa have been identified? Multiple choice question.

Based upon your results, speculate on how you think antacids might function in the stomach. How do antacids effect the activity of pepsin?

The digestive process can start with which of the following? Select all that apply. Taking the first bite of food Thinking about food When food enters the small intestine When food enters the large intestine

The feet are ______________ to the head. [ Choose ] The fibula is ______________ to the tibia. [ Choose ] The elbow is ______________ to the wrist. [ Choose ] The sternum is _____________ to the patella

Which blood vessel of the head and neck is not on your "vessels to know" list? (This includes both arteries and veins.) facial vein external carotid artery vertebral artery internal jugular vein

You set up a cross between two of the long-tailed, green-fluorescent bodied betta fish produced in your cross. What proportion of their offspring do you expect to have long tails and green fluorescent bodies?

Which of the following is not a typical component of urine?

Which of the following membrane activities requires energy from ATP hydrolysis?

A ______ mutation leads to early termination of protein synthesis. [ Choose ] Protein synthesis ends when a stop _______ is produced. [ Choose ] A change in any triplet of bases in the mRNA sequence may or may not affect the coding of a(n) ______ and change the structure of the synthesized…

Myoglobin is an iron-containing, oxygen-binding protein found in skeletal and cardiac muscle tissue of mammals. Which of the following BEST describes why myoglobin is unable to display the same cooperative binding properties as hemoglobin? Myoglobin is capable of binding multiple oxygen atoms,…

Simple Mendelian inheritance is a pattern observed when a human disorder is caused by Blank______.

Kinases remove phosphate groups from serine, threonine, and tyrosine amino acid residues. True False

In a eukaryotic cell, which main organelle is involved in translation? In a eukaryotic cell, where does transcription occur?

Generally, the only cells that have the potential to become cancerous are cells that have the ability to undergo cell reproduction. Which of the following cells of the brain will NOT become cancerous? Group of answer choices neuroglial cells oligodendrocytes Schwann cells neurons

The outer layer of cells surrounding a blastocyst that eventually provides nutrition and support for the embryo is called the Blank______. Multiple choice question. ectocyst endoderm dermocyst trophoblast

Researchers Ana Soto and Carlos Sonnenschein discovered breast cells multiplying in the absence of the required chemical estrogen because the plastic tubes that held the breast cells were contaminated by a chemical. Similarly, another researcher, Dr. Patricia Hunt, discovered that female mice…

The ability to obtain and use energy is dependent on the cells ability to perfrom the process of what?

Regulatory proteins called repressors can decrease the rate of transcription by binding to the promoter. true/false

Carbon dioxide at the tissue selects all that apply. A moves by simple diffusion into the plasma. B shifts the bicarbonate chemical buffer equation towards carbon dioxide in water. C causes plasma proteins to bind hydrogen ions. D causes hemoglobin to bind hydrogen ions. E causes a chloride…

What distinguishes the maximum likelihood approach from the parsimony approach for building a phylogeny? Choose the best answer

Give the species name of a capsule positive organism used in class and what it would look like through the microscope, include what is colored and what is not as well as individual cell morphology.

a patient with heart failure displays an increased capillary hydrostatic pressure. Why does the i crease in hydrostatic pressure result in edema? A due to the increased oncotic pressure in the blood B lymphatic failure to compensate for the increased fluid C due to a loss in proteins into the…

Which of the following changes takes place as people age? A. The percentage of lean muscle mass in their bodies increases B. The percentage of fat in their bodies decreases C. The percentage of total body water in their systems decreases D. The concentration of creatinine in their…

The environmental setting to which a species is adapted is its

Members of the phylum Foraminifera are Blank______. Multiple choice question. autotrophic freshwater organisms heterotrophic marine organisms heterotrophic freshwater organisms autotrophic marine organisms

The first life on the Earth was possibly single-celled, prokaryotic, and found at hydrothermal vents. multicelled, eukaryotic, and photosynthetic. single-celled, eukaryotic, and found at hydrothermal vents. multicelled, prokaryotic, and photosynthetic.

Vitamin D is produced in the body. It is modified several times before it becomes functional and these modifications do not all occur in the same area of the body. Describe, in detail, the production of active vitamin D from inactive vitamin D, identifying where each step occurs in the body. …

Which blood vessel supplies blood to structures external to the skull? Internal carotid artery Left vertebral artery External carotid artery Axillary artery Right vertebral artery

Fermentation has a relatively low ATP yield compared to aerobic respiration because

In this situation, Dung Beetles are using the feces of large mammals (like Howler Monkeys) as food for their eggs. The trees need to get their seeds dispersed away from the parent tree. Howler Monkeys feed on the tree fruit and leaves of many species of tree. Based on our special types of…

what are two invasice diseases associated with GAS? what are the virulence factors associated with these diseases

4. What did the acetic acid (the vinegar) do to the rate of reaction to the potatoe chip? Explain why using appropriate terminology.

Which hormone released from the adrenal medulla in response to a neural stimulus and stimulates glycogenolysis leading to increased blood glucose levels as part of the “fight or flight” alarm reaction to stress?

Sandra Soo-Jin, et al., “The ethics of characterizing difference” provides _____ principles to guide the Human Genome Project and research about human genetic variations. Select the BEST answer. Group of answer choices 6 7 8

If several traits are affected by the same allel, the allel is said to be

The greater the complexity of the organism, the greater the number of chromosomes within the cell. Group of answer choices True False

The term anoxic refers to the: A absence of free oxygen but presence of oxygen-containing compounds (e.g., nitrates, sulfates) in an aquatic system B conditions required to nitrify ammonia to nitrate in an aquatic system C absence of all forms of oxygen, free or…

Question 3 options: Binomial nomenclature was established to simplify species names and includes two parts. The first part is the and the second part is the

Which item is a cofactor in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase?

The exchange of segments between non-sister chromatids of homologous chromosomes is called Multiple choice question. crossing-over. interkinesis. a mitotic index. linkage.

Match these muscles to their correct description Group of answer choices gastrocnemius fibularis longus gluteus maximus vastus muscles and rectus femoris tibialis anterior rectus femoris

What molecule energizes a myosin head to initiate the contraction cycle

Excessive amount of water soluble vitamins are excreted in feces urine sweat or saliva

During the 1960s and 1970s which of the following developments contribute to the increase emplyability of women

What part of the brain can meningitis affect causing it to be difficult to treat

During digestion, fiber is absorbed in the small intestine. True False

Increased capillary permeability does not directly cause, select all that apply, A. Redness, B. Heat, C. Swelling, D. Pain.

what is the formula to calculate photosynthetic reaction in an experiment of photosynthesis

How do the Cro, Q, and N proteins impact which promoters and termiantors are used over the course of the phage replication cycle with the four waves of gene expression?

To obtain alcohol concentrations above 15%, what is necessary? Multiple Choice Malting Fermentation Distillation Catabolism

Scenario:A female cross-country runner sustains a stress fracture of her left tibia. Her left leg is 3/4 inch shorter than the right leg.What is a possible cause of this injury?Check All That Apply Because the left leg is shorter it receives less stress. Because the left leg is shorter it…

EcoRV cleaves cognate DNA with a specificity approximately _____ times that of non-cognate DNA. Group of answer choices 10,000 100,000,000,000 1000 10 1,000,000

Protons function by: Group of answer choices Producing glucose Forming water Producing CO2 Driving ATP synthase by chemiosmosis Absorbing electrons

During what month and year does the greatest amount of leaf litter occur for native species? (Type your answer using the same format as the axis label.) During what month and year for exotic species?

about how many bases of DNA wrap around a histone complex

The test in which the percentages of each type of leukocyte in a blood sample is determined is the _________blank white blood cell count.

The following traits are considered qualitative traits EXCEPT: Hair color Flower color Presence vs. absence of horns Body size Curly hair vs. straight hair

If a gene has mutations in the promoter sequence, what might directly happen to the gene? A. This gene can not be transcribed B. 5’Cap can not be added C. 3’ poly A tail can not be added D. mRNA can not be spliced E. This gene can not be translated

When neuron #1 synapses on to the axon terminal of neuron #2 to directly decrease the amount of neurotransmitter released from the presynaptic side of neuron #2, this is known as

Which type of reaction is used to build polymers from monomers? 2 Points Anabolic Exergonic Hydrolysis Neutralization

You're studying a gene called SETD2. Which technique would you use to:

Suspect I, II, and III are all humans, which as a species share over 99% of their DNA. How is it that they produce different banding patterns when cut with the same restiction enzyme? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Small…

An obstruction in blood flow to the kidneys would result in a) renal anemia. b) increased erythropoiesis. c) pernicious anemia. d) decreased erythropoiesis. e) increased sensitivity to vitamin K.

What role does the Sun play in plant and animal metabolism? A. It is the ultimate source of energy captured by plants. B. It provides the heat needed to fuel metabolism. C. Animals absorb its energy to perform active transport. D. It is always converted into triglycerides for energy…

Which of the following statements is true about vasectomy?Group of answer choicesIt is recommended as a temporary or reversible procedure.It is not recommended as a temporary or reversible procedure.It affects a man's ability to achieve orgasm, ejaculate, or achieve erections.It is a surgery in…

The most common pathway for carbon fixation for biosynthesis is the Calvin Cycle. This process requires 18 ATP and 12 NADPH in addition to 6 CO2 to form one 6-carbon molecule. The energy is supplied by ATP. What is the role of the NADPH?

C) What is the ATP yield of the fermentation steps for succinic acid? (HINT: what is the ATP yield for all fermentation pathways?)

Carbohydrates are composed of which of the following set of elements? Group of answer choices Carbon, oxygen, and nitrogen Carbon, oxygen, and hydrogen Nitrogen, oxygen, and hydrogen Nitrogen, carbon, and hydrogen

differences in the occurrence of diseases and other health outcomes in various population groups relates most closely to what?

The main trade-off between species that are semelparous and iteroparous is: (choose all that are correct) Note: semelparaous means that these species have one reproductive event in their lifetime iteroparous means that these species have more than one reproductive event in their lifetimes The…

Island organisms resemble those of the nearest continent. Group of answer choices True False

How does phenylketonuria (PKU) illustrate the complexity of nature-nurture interactions? How does phenylketonuria (PKU) illustrate the complexity of nature-nurture interactions? It indicates that environment is irrelevant in PKU It shows that genetics play no role in the disease Although caused…

Which is not true for a virus? Group of answer choices Viruses have cellular structure. Viruses contain only one type of nucleic acid. Viruses are obligate intracellular parasites. Viruses are smaller than bacteria.

what are some differences of sedge plants that are both monocots and graminoid?

Charles Darwin’s book, On the Origin of Species (1859), was considered an important contribution to modern science because it __________. Group of answer choices coined the term, “survival of the fittest” was immediately and widely accepted by the scientific community and the public synthesized…

Which of the following describes the process by which two or more species reciprocally influence one another’s traits?

Why are antibiotics at the ribosome useful in treating bacterial infections but not fungal infections

The human haploid genome contains between _____________ and _____________ functional genes. A 100,000/200,000 B 50,000/60,000 C 20,000/25,000 D 13,000/28000 E 2,000/4,000

the recipe to make TSA plates is 40g/L if each petri dish holds approximately 30ml of media what mass of TSA would you have to weigh out to make enough for 10 plates

Researchers are working to develop biofuels to free us from dependence on fossil fuels based on what you know what what do you predict are the major advantage and disadvantage of using cellular rich material as bioFuel

Consider an organism with gametes that have 16 chromosomes. How many chromosomes would be in a somatic cell of that organism? Question 2 options: 8 16 32 None of the above

The internal membranes of several organelles are interconnected and form the Blank______ system of a eukaryotic cell. Multiple choice question.

Which of the following is the medical term for warts on the external and internal genitalia? Trichomonas Chlamydia Syphilis Condylomata Trachoma

A patient has a DLCO of 18 mL/min/mm Hg. This is most indicative of which of the following: 1. chronic bronchitis 2. pulmonary fibrosis 3. asthma 4. emphysema 5. influenza 1 and 3 only 2 and 4 only 1, 2 and 4 only 3, 4 and 5 only

Which of the following methods of transferring genetic material between two microbial cells would be expected to be blocked by the presence of DNase enzyme outside of the cell in the liquid medium surrounding the cells in question? Mark any or all that apply Transformation Fusion of two cells…

True or False: Most of the genes controlling olfactory receptors have variant forms and two people chosen at random will differ in about 30% of their olfactory re True False

what disorder/disease are these symptoms of: fatigue, weight loss, tanned skin, sleeping long hours, increased salt intake

What would be the maximum internal concentration of glucose that could be achieved if the energy source driving glucose transport were direct ATP hydrolysis? ATP hydrolysis can supply up to 50 kJ/mol of energy.

What happens at a neuromuscular junction? Multiple Choice Acetylcholine is released by the muscle cell An electrical impulse prevents the release of a chemical. A neurotransmitter is released. Acetylcholinesterase is released from the nerve cell.

What types of cells are likely to contain thousands of mitochondria? Multiple choice question. epidermal cells of plants liver cells that process toxins energy-consuming muscle cells cells lining the digestive tract

DNA topoisomerase I does which of the following? A) Relaxes negative supercoils B) Relaxes positive supercoils C) Introduces negative supercoils

In the absence of sugars, are entirely different metabolic pathways used to process alternative sugar sources (fructose or lactose)?

2 pts Acquired immunodeficiency syndrome is an infection with the human immunodeficiency virus, which is a retrovirus that destroys the body's immune system by taking over and destroying CD4+ T cells. Identify the mechanisms for HIV transmission. Group of answer choices breast milk contact with…

What are the substrates and products of glycolysis? How many net ATP are formed?

What was the result of your Gram stain? Was the Gram reaction consistent with the Gram type of Bacillus cereus? Why or why not?

Recall that some species in the intertidal zone, which of the following compete for intertidal space

t the pathway of outcomes when a G\alpha s is activated

what are enzymes.. A. carbohydrates B. lipids C. nucleic acids D. proteins

a karotype shows blnk chromosomes sorted and isolated from cells in blank

Which of the following is/are (a) mechanism(s) through which antibodies increase phagocytosis? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. View Available Hint(s) for Part…

Researchers hypothesize that chondroitin reduces joint pain and increases agility in senior dogsThey design an experiment to test their hypothesis where they give 100 senior dogs a 500 mg chondroitin supplement a day and another group of 100 senior dogs a placebo without chondroitin. Every day…

) Explain how the Central Dogma was able to connect the three molecules in the first column.

The source of all energy is provided by __________Blank. Multiple Choice heat plants H2O the sun

What is it called when a body of water becomes clogged by explosive allergy growth

Match the name of the viral identification procedure to the definition: Group of answer choices Hemagglutination Assay [ Choose ] PCR [ Choose ] RT-PCR [ Choose ] Enzyme Immunoassay [ Choose ]

classify each description as a characteristic of only ribosomes, only protien enzymes or both.

Compare the skin cell to the E. coli bacterium. We will be learning more about the microbiome, disease ecology, and how bacteria interact with our immune system. Imagine this E. coli as part of your normal flora in your gut microbiome and the skin cell as epithelial tissue lining your colon.…

Which type of intracranial hemorrhage usually involves arterial bleeding? Epidural. Subdural. Intracerebral. Subarachnoid.

What supplies the body with glucose a few hours after finishing a meal? Question 43 options: Glycogen in the liver Glycogen in the muscles Glycogen in the muscles and fat stores Glycogen in the muscles and liver Glycogen in the liver and fat stores

Which of the following does NOT occur during puberty in a female? Question 18 options: increased fat deposits beneath the skin appearance of axillary and pubic hair widening and lightening of the pelvis development of the breasts onset of menopause

Which of the following childhood diseases is a risk factor for infertility? Measles Mumps Rubella Chickenpox

list how strata spinosum,basale, corneum, granulosum, and lucidum all work together in the integumentary system

What does it mean that caffeine is highly lipid soluble? Group of answer choices all of these answers are correct it can easily cross the blood brain barrier in can be absorbed through the skin it affects many different organs in the body

Enzymes in barley assist with germination and also play a major roll in converting starch to sugar. What is the name of this enzyme?

Two parents with wavy (slightly curly) hair have children. One child has very straight hair, and the other child has very curly hair. They are concerned that a genetic mutation has occurred in one or both of their children. What is an alternate biological explanation using genetics? Show the…

The reason that the mutant allele a generates a non-functional purple pigment protein is because: Question options: The mutation inserts DNA that stops the plant from generating the full-length protein. The mutation changes the DNA sequence so that the protein becomes a green pigment…

which of the following pH classifications of microbes prefer a pH of 4.5?

Humans belong to a lineage of mammals called the Question 80 options: carnivores hominids edentates odd-toed ungulates

Which of the following is an evolutionary advantage of seeds in plant reproduction? Group of answer choices Seeds can remain dormant until opportune germination conditions occur. Seeds contain stored resources to support development of newly germinated seedlings. Seeds contain multicellular…

When there is no oxygen available, animal cells can continue to make ATP for a short time because Blank______ regenerates NAD+, allowing glycolysis to continue. Multiple choice question. aerobic respiration lactic acid fermentation the citric acid cycle alcohol fermentation

You have just performed a hematocrit on a male patient. The total column height is 55mm. The total height of your RBC's 27mm. What is his hematocrit? What is the normal range for males and is he within range?

the right lung has 3 ____ and the left lung has ________ seondary bronchi

What term refers to a muscle that aids another muscle by producing the same the movement or reducing undesirable movements? fixator antagonist synergist prime mover

which is the most common cause of mechanical boswel obstruction volvulus fecal impaction surgical adhesions intussusception

Beta-carotene and lutein are carotenoids. What is the primary color that they absorb (and therefore not reflect

An example of a density-dependent factor which might affect population growth rates is ___. An example of a density-dependent factor which might affect population growth rates is ___. increased spreading of disease/parasites between individuals forest fire killing off many individuals in a…

IF cardiologist inserts the catheter into the patient’s right femoral artery (the traditional blood vessel used for the catheterization procedure). What sequence of arteries would the tube have to pass through to reach the entrance of the left coronary artery?

A particular growth factor can stimulate many types of cells to undergo cell division. A potential inhibitor of this growth factor is tested on cultures of epithelial cells grown in vitro. Culture dishes of epithelial cells are treated with different experimental conditions for two days and…

number of cells observed out of 200 are interphase at 170 and mitophase at 4 is a total of 174 out of 200. what is the proability a randomly cell will undergo cell division?

The process by which large food components are broken down into smaller substances, including individual nutrients, is called ______. Multiple choice question. anabolism absorption photosynthesis digestion

Protein synthesis is initiated when a copy of a gene is made. Identify the base pair combinations that occur between DNA and RNA. The first letter in each pair is a DNA nucleotide, whereas the second letter is an RNA nucleotide.T-GA-UA-TG-CUC

Which is not a common nutritional concern in alcoholics? A. Vitamin B-12 deficiency B. Protein Energy Malnutrition (PEM) C. Vitamin A toxicity D. Iron deficiency

Label where the stimulus come in. This triggers the ion channel to open

The deep layer of skin is called the subcutaneous .target 1 of 5 An injection given under the skin is a dermis injection.target 2 of 5 The cells that produce melanin are melanocytes .target 3 of 5 Skin cancer arising in the stratum basale is called basal cell carcinoma .target 4 of…

This retrovirus enzyme synthesizes complementary DNA from a RNA template. Group of answer choices Helicase Reverse transcriptase Repair polymerase Topoisomerase

Which of the following needs to occur in order for the GFP to be translated fused to the protein of interest?

supposed you are viewing a gram stained field of pink rods and purple cocci through the microscope. What can you conslude about this culture?

Which company announces a competition to choose a beautiful girl? PLEASE NOTE: Only one answer is correct. Group of answer choices Ambrosio Film Colonna Film Arco Film Stella Film

What proportion of Americans will have cancer at some point in their lifetime ? 100 75 50 25 Question 5 Choose the most accurate statement describing the epidemiology or etiology of cancer : Liver cancer is among the top four major sites of cancer 1 pts One in four U.S. residents will have…

During glycolysis and muscles during exercise what are the two main metabolic fates of pyruvate

Match the RNA with its description/function. Group of answer choices mRNA along with proteins, is part of the structure of ribosomal subunits rRNA transfers amino acids from a cytoplasmic pool of amino acids to a growing polypeptide in a ribosome tRNA carries a genetic message from the DNA to…

what serves as echo chambers in the production of speech in the human body

The amino acid carried by the tRNA ARE EVENTALLY JOINED TO ONE ANOTHER BY

Which cell or organelle is most similar in size to the bacterium? lysosome mitochondria chromosome nucleus

All detergents are amphipathic. Complete the passage about the hydrophilic and hydrophobic portions of lysolecithin. The _()_(_())_( o)n C-2 and the _()_(_())_(_())_( o)n C-3 are hydrophilic. The _()_(_())_(_()) on C-1 is hydrophobic. The pain and inflammation caused by a snake bite can be…

the fossil record and genetic data from hundreds of thousands of living people all support the hypothesis that anatomically modern homo sapiens first evolved in

How have Eastern and Western traditions affected the shape of sport, how it is played, and how it is experienced? What differences exist between Eastern and Western sport in purpose, strategy, attitudes toward opponents, and conceptualizations of winning and losing?

A person is said to be ________ when he/she has gonads of one sex, but external genitalia that are ambiguous or typical of the other sex. Group of answer choices transsexual intersexual a hermaphrodite ambisexual

Where is the highest concentration of voltage gated (ion) channels in a neuron? Group of answer choices in the dendrite area in the axon nearest the soma in the soma in the axon nearest the synapse

Regina began an exercise program six months ago, and the muscles of her upper limbs and lower limbs have become more prominent. How does exercise lead to formation of new muscle?

5.Is the insulin receptor a GPCR or a RTK? How does insulin secretion lead to the lowering of blood glucose level? What is the difference between type I and type II diabetes? What type of practice/treatments might help lowering the blood glucose level in type II diabetic patients?

What changes in breathing pattern would be anticipated in patients with congestive heart failure Part III: In comparing Part II to Part I, the patient's lung compliance is a. decreasing b. increasing Part III: In comparing Part II to Part I, the patient's lung compliance is Part III: In…

which of the following is not a target of a sympathetic preganglionic fiber

You finish a run up Mt. Eldon and quickly chug a gallon of water. This causes a temporary increase in blood volume and stretches the atria of the heart. The heart, in turn, releases -------------------, which helps bring blood volume back into homeostatic balance by ------------- urine output. …

the diameter of a cell is 20 um. you want to make a model of this cell where 1.0 cm represents 0.5 um. what would be the diameter of the model cell

Knee Dalgas and varus are associated with which common knee injury

Acid content and pH are basically the same thing. Group of answer choices True False

For free movement, synovial joints depend on: Group of answer choices the presence of dense regular connective tissue a parietal membrane sliding across a visceral membrane the presence of fibrocartilage to allow movement a fluid filled synovial cavity and smooth articular surfaces

Which summarizes the relationship between condensation reactions (dehydration synthesis) and hydrolysis? a. they must occur simultaneously because the products of one process are the reactanst for the other process b. hydrolysis reactions only occur in prokaryotes, and condensation reactions…

What areas/body regions does our skin have more nerve endings? How could this be important?

Name the macromolecules used as food to produce ATP molecules. proteins carbohydrates fats only a and c a, b, and c are correct answers

2. How many phenotypically different kinds of progeny could potentially result from the cross A 1A 2 B 1B 3 C 2C 4 D 1D 4 x A 1A 1 B 3B 3 C 2C 2 D 4D 4 if alleles of each gene show incomplete dominance and four genes are unlinked? A. 1 B. 2 C. 4 D. 8 E. 16

Which of the following are the traditional signs of diabetes? Multiple select question. increased urination excessive hunger increased thirst extra energy

Which of the following types of structures connects one bone to another bone? Group of answer choices Tendons Ligaments Aponeurosis Fascia

What causes tattoos to fade? How does the immune response fade tattoos?

All of the following statements about chemical synthesis of DNAare true except functional groups on the nucleotides are blocked to control where the next nucleotide will be incorporated genes can be assembled from the synthesized pieces adjacent nucleotides are linked through hydrogen bonds…

For the DNA repairing in the absence of light, _()_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_(_())_( e)nzymes are required.

Susan was digging up her backyard to put in a pool a requirement for Fresno living. She found a bunch of long bones but cannot tell whether they are upper limb or lower limb bones. Please, help her identify and name the long bones. Give her some tips to tell the difference between upper and…

Restriction endonucleases • are primarily ribonucleases • act only on the DNA of the cell in which they are found • have very little specificity in the sites they cut at • only cut circular DNA • can be used to construct hybrid plasmid molecules

How many kcal are produced per liter of oxygen consumed when utilizing solely fats? Group of answer choices 4.85 kcal/L O2 4.7 kcal/L O2 5.0 kcal/L O2 5.1 kcal/L O2

Which of the following is a characteristic feature of anabolic pathways?

A disease of unknown origin that produces widespread pain of musuloskeletal structures of the limb facing trunk is known as

What is the function slash description of nodes of Ranvier? 1. Region where neurotransmitters are released to pass on a message to a different cell. b. The cell body of a neuron. c. Insulates the axon of neurons in the PNS. d. Information receiving structure of a neuron. e. Location where…

How does osmoregulation work in Paramecium to allow this single-celled organism to live in fresh water?

an example of a highly vacular tissue is and an example of a tissue that is not highly vascular is

Genes govern the cell by controlling the manufacture of ______________________________. Question 8 options: electrolytes carbohydrates lipids proteins

The _____ secretes gastric juice, which contains enzymes that break down some protein and fat. Multiple choice question. stomach gallbladder large intestine esophagus

Money’s relationship with human biology is BEST described as ____. Group of answer choices a development that is too recent to have directly shaped human nature biologically a financial “instinct” one that is programmed into our DNA an innately desirable commodity

Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered…

1. In the 2012 Summer Olympics that took place in London, the South African delegation included Oscar Pistorius, a double-leg amputee runner who had qualified to participate in the 400-meter sprint and the 400 x 4 relay race. Pistorius was a gifted athlete, but many people in the Olympic world…

(d) What are the three general categories of molecules produced as fermentation waste products?

at the end of meiosis, in females they have ona egg and what?

Within this population of giraffes, the giraffes with yellow skin are recessive to the giraffes that have tan skin. If the population follows the assumptions of Hardy-Weinberg, answer the following questions a. What is the frequency of the recessive allele b. What is the frequency of the…

PART 5: Logistic Growth in Bacteria Return to the “Introduction” section for the logistic growth model and open the bacteria example linked at the bottom. Read through this example if you haven’t already. Optional Question: The example claims that the population growth rate at 240 hours will be…

What is the life span of a red blood cell? How does it anucleate condition affect the this life span

Rank the following microbes in order of their resistance to antimicrobial agents from least to most resistant (1 is least resistant).

A family presents to a physician’s office with unexplained symptoms. The doctor orders genetic testing to identify that the third male child in the third generation of a family is affected with a genetic disorder. The doctor requests all living family members also get tested. The family…

Glucose and fructose join to form sucrose and water. what type of chemical reaction is described

You have been training a horse for competitive trail classes. Competitive trail is an endurance competition. If the program is truly conditioning the horse what changes would you expect in the muscle? (Check all that apply) Decreased capillarization Increased type I fibers Increased oxidative…

Define the following terms and discuss their contribution to Cell Signaling. Give an example of each. Explain how cell signaling contributes to homeostasis and homeorhesis. Endocrine Autocrine Paracrine Juxtacrine

Individuals with poorly controlled diabetes are at an increased risk of Blank______. Multiple select question. cardiovascular disease blindness kidney disease Parkinson's disease

How does the structure of the pelvic girdle differ from the pectoral girdle and how do these differences affect motion at each joint?

9. Brucella spp. are intracellular bacteria that are usually found in animals or unpasteurized milk, with humans being accidental hosts. They are oxidase and urease positive. List the 4 species that are known to infect humans, and their reservoir.

Many zoos and aquariums breed endangered species in their care. Why can't all of the endangered species being managed in captivity be reintroduced back into the wild? A-The offspring of some species require training from their mothers in order to be successful in the wild, which is something…

Heat shock proteins (HSPs) are a class of molecular chaperones. What triggers their increased production in cells? Cold temperatures Cell division Cell differentiation Heat and other forms of cellular stress

Papain and bromelain are the two most commonly used enzymes in commercial meat tenderizers.Research to answer the following questions about these enzymes.What are meat tenderizers? What are they used for?What type of enzymes are papain and bromelain (what is their substrates)?What is the…

Which of the pharyngeal region(s) serve as part of the digestive passageway? Which of the pharyngeal region(s) serve as part of the digestive passageway? Oropharynx Nasopharynx, oropharynx, and laryngopharynx Oropharynx and laryngopharynx Nasopharynx and oropharynx

What are the products of the Citric Acid Cycle (per 2 acetyl CoA)? Question 4 options: 6 NADH, 2 FADH2, 2 ATP, and 4 CO2 2 NADH, 30 ATP, and 2 CO2 6 NADH, 2 ATP, 2 CO2, and 2 glucose 2 NADH, 2 ATP, and 2 pyruvate

Which of the following is not a function of lactic acid in sweat?Multiple ChoiceTo form an acid mantle on the skinTo reduce the number of pathogens on the skinTo maintain a pH between 4 and 6To produce a scent that influences behavior

a cells dna has 40% cytosine bases. What is the percent of its bases are guanine

How many different species of protozoa have been identified? Multiple choice question.

Based upon your results, speculate on how you think antacids might function in the stomach. How do antacids effect the activity of pepsin?

The digestive process can start with which of the following? Select all that apply. Taking the first bite of food Thinking about food When food enters the small intestine When food enters the large intestine

The feet are ______________ to the head. [ Choose ] The fibula is ______________ to the tibia. [ Choose ] The elbow is ______________ to the wrist. [ Choose ] The sternum is _____________ to the patella

Which blood vessel of the head and neck is not on your "vessels to know" list? (This includes both arteries and veins.) facial vein external carotid artery vertebral artery internal jugular vein

You set up a cross between two of the long-tailed, green-fluorescent bodied betta fish produced in your cross. What proportion of their offspring do you expect to have long tails and green fluorescent bodies?

Which of the following is not a typical component of urine?

Which of the following membrane activities requires energy from ATP hydrolysis?

A ______ mutation leads to early termination of protein synthesis. [ Choose ] Protein synthesis ends when a stop _______ is produced. [ Choose ] A change in any triplet of bases in the mRNA sequence may or may not affect the coding of a(n) ______ and change the structure of the synthesized…

Myoglobin is an iron-containing, oxygen-binding protein found in skeletal and cardiac muscle tissue of mammals. Which of the following BEST describes why myoglobin is unable to display the same cooperative binding properties as hemoglobin? Myoglobin is capable of binding multiple oxygen atoms,…

Simple Mendelian inheritance is a pattern observed when a human disorder is caused by Blank______.

Kinases remove phosphate groups from serine, threonine, and tyrosine amino acid residues. True False

In a eukaryotic cell, which main organelle is involved in translation? In a eukaryotic cell, where does transcription occur?

Generally, the only cells that have the potential to become cancerous are cells that have the ability to undergo cell reproduction. Which of the following cells of the brain will NOT become cancerous? Group of answer choices neuroglial cells oligodendrocytes Schwann cells neurons

The outer layer of cells surrounding a blastocyst that eventually provides nutrition and support for the embryo is called the Blank______. Multiple choice question. ectocyst endoderm dermocyst trophoblast

Researchers Ana Soto and Carlos Sonnenschein discovered breast cells multiplying in the absence of the required chemical estrogen because the plastic tubes that held the breast cells were contaminated by a chemical. Similarly, another researcher, Dr. Patricia Hunt, discovered that female mice…

The ability to obtain and use energy is dependent on the cells ability to perfrom the process of what?

Regulatory proteins called repressors can decrease the rate of transcription by binding to the promoter. true/false

Carbon dioxide at the tissue selects all that apply. A moves by simple diffusion into the plasma. B shifts the bicarbonate chemical buffer equation towards carbon dioxide in water. C causes plasma proteins to bind hydrogen ions. D causes hemoglobin to bind hydrogen ions. E causes a chloride…

What distinguishes the maximum likelihood approach from the parsimony approach for building a phylogeny? Choose the best answer

Give the species name of a capsule positive organism used in class and what it would look like through the microscope, include what is colored and what is not as well as individual cell morphology.

a patient with heart failure displays an increased capillary hydrostatic pressure. Why does the i crease in hydrostatic pressure result in edema? A due to the increased oncotic pressure in the blood B lymphatic failure to compensate for the increased fluid C due to a loss in proteins into the…

Which of the following changes takes place as people age? A. The percentage of lean muscle mass in their bodies increases B. The percentage of fat in their bodies decreases C. The percentage of total body water in their systems decreases D. The concentration of creatinine in their…

The environmental setting to which a species is adapted is its

Members of the phylum Foraminifera are Blank______. Multiple choice question. autotrophic freshwater organisms heterotrophic marine organisms heterotrophic freshwater organisms autotrophic marine organisms

The first life on the Earth was possibly single-celled, prokaryotic, and found at hydrothermal vents. multicelled, eukaryotic, and photosynthetic. single-celled, eukaryotic, and found at hydrothermal vents. multicelled, prokaryotic, and photosynthetic.

Vitamin D is produced in the body. It is modified several times before it becomes functional and these modifications do not all occur in the same area of the body. Describe, in detail, the production of active vitamin D from inactive vitamin D, identifying where each step occurs in the body. …

Which blood vessel supplies blood to structures external to the skull? Internal carotid artery Left vertebral artery External carotid artery Axillary artery Right vertebral artery

Fermentation has a relatively low ATP yield compared to aerobic respiration because

In this situation, Dung Beetles are using the feces of large mammals (like Howler Monkeys) as food for their eggs. The trees need to get their seeds dispersed away from the parent tree. Howler Monkeys feed on the tree fruit and leaves of many species of tree. Based on our special types of…

what are two invasice diseases associated with GAS? what are the virulence factors associated with these diseases

4. What did the acetic acid (the vinegar) do to the rate of reaction to the potatoe chip? Explain why using appropriate terminology.

Which hormone released from the adrenal medulla in response to a neural stimulus and stimulates glycogenolysis leading to increased blood glucose levels as part of the “fight or flight” alarm reaction to stress?

Sandra Soo-Jin, et al., “The ethics of characterizing difference” provides _____ principles to guide the Human Genome Project and research about human genetic variations. Select the BEST answer. Group of answer choices 6 7 8

If several traits are affected by the same allel, the allel is said to be

The greater the complexity of the organism, the greater the number of chromosomes within the cell. Group of answer choices True False

The term anoxic refers to the: A absence of free oxygen but presence of oxygen-containing compounds (e.g., nitrates, sulfates) in an aquatic system B conditions required to nitrify ammonia to nitrate in an aquatic system C absence of all forms of oxygen, free or…

Question 3 options: Binomial nomenclature was established to simplify species names and includes two parts. The first part is the and the second part is the

Which item is a cofactor in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase?

The exchange of segments between non-sister chromatids of homologous chromosomes is called Multiple choice question. crossing-over. interkinesis. a mitotic index. linkage.

Match these muscles to their correct description Group of answer choices gastrocnemius fibularis longus gluteus maximus vastus muscles and rectus femoris tibialis anterior rectus femoris

What molecule energizes a myosin head to initiate the contraction cycle

Excessive amount of water soluble vitamins are excreted in feces urine sweat or saliva

During the 1960s and 1970s which of the following developments contribute to the increase emplyability of women

What part of the brain can meningitis affect causing it to be difficult to treat

During digestion, fiber is absorbed in the small intestine. True False

Increased capillary permeability does not directly cause, select all that apply, A. Redness, B. Heat, C. Swelling, D. Pain.

what is the formula to calculate photosynthetic reaction in an experiment of photosynthesis

How do the Cro, Q, and N proteins impact which promoters and termiantors are used over the course of the phage replication cycle with the four waves of gene expression?

To obtain alcohol concentrations above 15%, what is necessary? Multiple Choice Malting Fermentation Distillation Catabolism

Scenario:A female cross-country runner sustains a stress fracture of her left tibia. Her left leg is 3/4 inch shorter than the right leg.What is a possible cause of this injury?Check All That Apply Because the left leg is shorter it receives less stress. Because the left leg is shorter it…

EcoRV cleaves cognate DNA with a specificity approximately _____ times that of non-cognate DNA. Group of answer choices 10,000 100,000,000,000 1000 10 1,000,000

Protons function by: Group of answer choices Producing glucose Forming water Producing CO2 Driving ATP synthase by chemiosmosis Absorbing electrons

During what month and year does the greatest amount of leaf litter occur for native species? (Type your answer using the same format as the axis label.) During what month and year for exotic species?

about how many bases of DNA wrap around a histone complex

The test in which the percentages of each type of leukocyte in a blood sample is determined is the _________blank white blood cell count.

The following traits are considered qualitative traits EXCEPT: Hair color Flower color Presence vs. absence of horns Body size Curly hair vs. straight hair

If a gene has mutations in the promoter sequence, what might directly happen to the gene? A. This gene can not be transcribed B. 5’Cap can not be added C. 3’ poly A tail can not be added D. mRNA can not be spliced E. This gene can not be translated

When neuron #1 synapses on to the axon terminal of neuron #2 to directly decrease the amount of neurotransmitter released from the presynaptic side of neuron #2, this is known as

Which type of reaction is used to build polymers from monomers? 2 Points Anabolic Exergonic Hydrolysis Neutralization

You're studying a gene called SETD2. Which technique would you use to:

Suspect I, II, and III are all humans, which as a species share over 99% of their DNA. How is it that they produce different banding patterns when cut with the same restiction enzyme? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Small…

An obstruction in blood flow to the kidneys would result in a) renal anemia. b) increased erythropoiesis. c) pernicious anemia. d) decreased erythropoiesis. e) increased sensitivity to vitamin K.

What role does the Sun play in plant and animal metabolism? A. It is the ultimate source of energy captured by plants. B. It provides the heat needed to fuel metabolism. C. Animals absorb its energy to perform active transport. D. It is always converted into triglycerides for energy…

Which of the following statements is true about vasectomy?Group of answer choicesIt is recommended as a temporary or reversible procedure.It is not recommended as a temporary or reversible procedure.It affects a man's ability to achieve orgasm, ejaculate, or achieve erections.It is a surgery in…

The most common pathway for carbon fixation for biosynthesis is the Calvin Cycle. This process requires 18 ATP and 12 NADPH in addition to 6 CO2 to form one 6-carbon molecule. The energy is supplied by ATP. What is the role of the NADPH?

C) What is the ATP yield of the fermentation steps for succinic acid? (HINT: what is the ATP yield for all fermentation pathways?)

Carbohydrates are composed of which of the following set of elements? Group of answer choices Carbon, oxygen, and nitrogen Carbon, oxygen, and hydrogen Nitrogen, oxygen, and hydrogen Nitrogen, carbon, and hydrogen

differences in the occurrence of diseases and other health outcomes in various population groups relates most closely to what?

The main trade-off between species that are semelparous and iteroparous is: (choose all that are correct) Note: semelparaous means that these species have one reproductive event in their lifetime iteroparous means that these species have more than one reproductive event in their lifetimes The…

Island organisms resemble those of the nearest continent. Group of answer choices True False

How does phenylketonuria (PKU) illustrate the complexity of nature-nurture interactions? How does phenylketonuria (PKU) illustrate the complexity of nature-nurture interactions? It indicates that environment is irrelevant in PKU It shows that genetics play no role in the disease Although caused…

Which is not true for a virus? Group of answer choices Viruses have cellular structure. Viruses contain only one type of nucleic acid. Viruses are obligate intracellular parasites. Viruses are smaller than bacteria.

what are some differences of sedge plants that are both monocots and graminoid?

Charles Darwin’s book, On the Origin of Species (1859), was considered an important contribution to modern science because it __________. Group of answer choices coined the term, “survival of the fittest” was immediately and widely accepted by the scientific community and the public synthesized…

Which of the following describes the process by which two or more species reciprocally influence one another’s traits?

Why are antibiotics at the ribosome useful in treating bacterial infections but not fungal infections

The human haploid genome contains between _____________ and _____________ functional genes. A 100,000/200,000 B 50,000/60,000 C 20,000/25,000 D 13,000/28000 E 2,000/4,000

the recipe to make TSA plates is 40g/L if each petri dish holds approximately 30ml of media what mass of TSA would you have to weigh out to make enough for 10 plates

Researchers are working to develop biofuels to free us from dependence on fossil fuels based on what you know what what do you predict are the major advantage and disadvantage of using cellular rich material as bioFuel

Consider an organism with gametes that have 16 chromosomes. How many chromosomes would be in a somatic cell of that organism? Question 2 options: 8 16 32 None of the above

The internal membranes of several organelles are interconnected and form the Blank______ system of a eukaryotic cell. Multiple choice question.

Which of the following is the medical term for warts on the external and internal genitalia? Trichomonas Chlamydia Syphilis Condylomata Trachoma

A patient has a DLCO of 18 mL/min/mm Hg. This is most indicative of which of the following: 1. chronic bronchitis 2. pulmonary fibrosis 3. asthma 4. emphysema 5. influenza 1 and 3 only 2 and 4 only 1, 2 and 4 only 3, 4 and 5 only

Which of the following methods of transferring genetic material between two microbial cells would be expected to be blocked by the presence of DNase enzyme outside of the cell in the liquid medium surrounding the cells in question? Mark any or all that apply Transformation Fusion of two cells…

True or False: Most of the genes controlling olfactory receptors have variant forms and two people chosen at random will differ in about 30% of their olfactory re True False

what disorder/disease are these symptoms of: fatigue, weight loss, tanned skin, sleeping long hours, increased salt intake

What would be the maximum internal concentration of glucose that could be achieved if the energy source driving glucose transport were direct ATP hydrolysis? ATP hydrolysis can supply up to 50 kJ/mol of energy.

What happens at a neuromuscular junction? Multiple Choice Acetylcholine is released by the muscle cell An electrical impulse prevents the release of a chemical. A neurotransmitter is released. Acetylcholinesterase is released from the nerve cell.

What types of cells are likely to contain thousands of mitochondria? Multiple choice question. epidermal cells of plants liver cells that process toxins energy-consuming muscle cells cells lining the digestive tract

DNA topoisomerase I does which of the following? A) Relaxes negative supercoils B) Relaxes positive supercoils C) Introduces negative supercoils

In the absence of sugars, are entirely different metabolic pathways used to process alternative sugar sources (fructose or lactose)?

2 pts Acquired immunodeficiency syndrome is an infection with the human immunodeficiency virus, which is a retrovirus that destroys the body's immune system by taking over and destroying CD4+ T cells. Identify the mechanisms for HIV transmission. Group of answer choices breast milk contact with…

What are the substrates and products of glycolysis? How many net ATP are formed?

What was the result of your Gram stain? Was the Gram reaction consistent with the Gram type of Bacillus cereus? Why or why not?

Recall that some species in the intertidal zone, which of the following compete for intertidal space

t the pathway of outcomes when a G\alpha s is activated

what are enzymes.. A. carbohydrates B. lipids C. nucleic acids D. proteins

a karotype shows blnk chromosomes sorted and isolated from cells in blank

Which of the following is/are (a) mechanism(s) through which antibodies increase phagocytosis? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. View Available Hint(s) for Part…

Researchers hypothesize that chondroitin reduces joint pain and increases agility in senior dogsThey design an experiment to test their hypothesis where they give 100 senior dogs a 500 mg chondroitin supplement a day and another group of 100 senior dogs a placebo without chondroitin. Every day…

) Explain how the Central Dogma was able to connect the three molecules in the first column.

The source of all energy is provided by __________Blank. Multiple Choice heat plants H2O the sun

What is it called when a body of water becomes clogged by explosive allergy growth

Match the name of the viral identification procedure to the definition: Group of answer choices Hemagglutination Assay [ Choose ] PCR [ Choose ] RT-PCR [ Choose ] Enzyme Immunoassay [ Choose ]

classify each description as a characteristic of only ribosomes, only protien enzymes or both.

Compare the skin cell to the E. coli bacterium. We will be learning more about the microbiome, disease ecology, and how bacteria interact with our immune system. Imagine this E. coli as part of your normal flora in your gut microbiome and the skin cell as epithelial tissue lining your colon.…

Which type of intracranial hemorrhage usually involves arterial bleeding? Epidural. Subdural. Intracerebral. Subarachnoid.

What supplies the body with glucose a few hours after finishing a meal? Question 43 options: Glycogen in the liver Glycogen in the muscles Glycogen in the muscles and fat stores Glycogen in the muscles and liver Glycogen in the liver and fat stores

Which of the following does NOT occur during puberty in a female? Question 18 options: increased fat deposits beneath the skin appearance of axillary and pubic hair widening and lightening of the pelvis development of the breasts onset of menopause

Which of the following childhood diseases is a risk factor for infertility? Measles Mumps Rubella Chickenpox

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