A) rough endoplasmic reticulum B) centrioles C) mitochondria D) ribosomes E) Golgi apparatus 34) All of the following are true statements about eukaryotic cells except: A) Eukaryotic cells contain membrane-bounded organelles. B) A true nucleus contains the chromosomes. C) Eukaryotic cells contain mitochondria. D) Eukaryotic cells contain many organelles in the cytoplasm. E) Eukaryotic cells contain peptidoglycan in their cell walls. 35) Which statement is NOT true about bacteria? A) Bacteria contain membrane bound organelles. B) All bacteria are prokaryotes. C) Bacteria have a cell wall that contains peptidoglycan. D) Some are motile due to flagella. E) Some are photosynthetic. 36) Which of the following features is unique to bacterial cells? A) cell wall B) ribosome C) nucleoid region D) nucleus E) cell membrane 37) What is the smallest unit of living matter? A) cell B) nucleus C) atom D) Golgi apparatus E) element 38) According to the endosymbiosis theory _________ were engulfed by larger eukaryotic cells. A) lysosomes B) mitochondria C) ribosomes D) Golgi apparatus 39) Which is a true statement about ribosomes? A) Ribosomes contain DNA and protein. B) Ribosomal subunits leave the nucleus after being formed by the nucleolus. C) Ribosomes are active in carbohydrate synthesis. D) Polyribosomes are the subunits of ribosomes. E) Ribosomes are only found associated with the endoplasmic reticulum in prokaryotic cells. 40) _________ are to ribosomes as lipids are to _________. A) Carbohydrates; rough endoplasmic reticulum B) Proteins; smooth endoplasmic reticulum C) Nucleoli; lysosomes D) Sugars; peroxisomes
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Peptidoglycan is found in bacterial cell walls, not eukaryotic cells. $\boxed{\textbf{E}}$ Show moreā¦
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a. DNA b. proteins c. nucleus d. nucleolus e. modify f. digestion g. cellulose h. channels i. vacuoles j. mitochondria k. microtubules 1. rough ER m. smooth ER n. solar energy o. protein fibers p. large vacuole q. Golgi apparatus I. microfilaments s. intermediate filaments t. endomembrane system The (1) is the cell's genetic control center. The nucleus houses the cell's (2) and directs protein synthesis by making messenger RNA. The (3) makes the subunits of ribosomes. Ribosomes synthesize (4) according to the directions from DNA. Many organelles are connected through the (5) (6) synthesizes lipids and processes toxins. (7) manufactures membranes and ribosomes on its surface, produce membranes and secretory proteins. The (8) consists of stacks of sacs that (9) - ER products and then ship them to other organelles or to the cell surface. Lysosomes house enzymes that function in (10) and recycling within the cell. Plant cells contain a (11) that stores molecules ad wastes and facilitates growth. While animal cells have small and numerous (12) that function in the general maintenance of the cell. The organelles of the endomembrane system are interconnected structurally and functionally. (13) is the main organelle in animal cell responsible in harvesting chemical energy from food while chloroplasts in plant convert (14) to chemical energy. The cell's internal skeleton helps organize its structure and activities. The cytoskeleton is a network of (15) (16) of actin enable cells to change shape and move. (17) reinforce the cell and anchor certain organelles. (18) give the cell rigidity and acts as tracks for organelle movement. Plant cell walls are made largely of (19) Plasmodesmata are connecting (20) between plant cells.
Sri K.
(a) Endoplasmic reticulum _______ (b) Smooth endoplasmic reticulum ________ (c) Rough endoplasmic reticulum ______ (d) Golgi complex _______ (e) Transport vesicles ______ (f) Secretory granules _____ (g) Endosome _____ (h) Lysosome ____ (i) Mitochondrion ____ (j) Chloroplast ______ (k) Nucleus _____ (l) Plasma membrane ____ 1. Location of most of the cell's DNA 2. Site of fuel oxidation 3. Separates the inside of the cell from the outside 4. Carries important biochemicals into the cell 5. Membrane with ribosomes attached 6. Site of photosynthesis 7. Contains digestive enzymes 8. Destined for fusion with the plasma membrane 9. Common form of cytoplasmic membrane 10. Site of carbohydrate addition to proteins 11. Facilitate communication between the rough endoplasmic reticulum and the Golgi complex 12. Processes exogenous chemicals An authoritative belief. Define the central dogma of biology.
Monisha S.
Cell structures to choose from: cell (plasma) membrane, cell wall, central vacuole, chloroplast, cytoplasm, DNA, endoplasmic reticulum (ER), Golgi complex, lysosomes, mitochondria, nucleus, nucleolus, nucleoid, ribosomes, vesicles Cell structures Functions/definitions Proteins are made on this āworkbenchā. There free ones and ones that āattachā Found only in prokaryotic cells; region of DNA Vesicles that contain digestive enzymes (and thus digest food particles or damaged organelles into simpler molecules) Isolates the cell, regulates flow of material, and allows interaction. Composed of phospholipids & proteins. Support and protect otherwise fragile cells. Composed of cellulose All the material inside the plasma membrane, but outside the nucleus. Includes cytosol. Transport membranes that carry proteins, lipids, and other molecules from the ER to the Golgi complex. Part of the endomembrane system Fluid filled sac that regulate the cell's water content, support the cell, and/or store certain substances (water, waste, etc) Found inside the nucleus; genetic material Makes ribosomes (which includes ribosomal RNA) Usually the largest organelle in the cell; contains genetic information for the cell Synthesizes different kinds of molecules (proteins, lipids, etc.) and is part of the endomembrane system 1. separates molecules according to destination, 2. modifies some, and 3. packages materials into vesicles to transport to other parts of the cell Take energy out of the cell (produce ATP by cellular respiration) Give plants their green color; involved in photosynthesis
Nayan G.
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