CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 4, Problem 7A
Summary Introduction
Introduction:
The cytoplasm of eukaryotic cells is comprised of network of protein fibers which is called as the cytoskeleton. Its function is to provide an anchor to various cell organelles and also to support the cell shape. Each protein fiber is made up of
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Which of the following correctly compares how plant and animal cells differ?a. Plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.b. Plant cells have a cell membrane and cells walls for suppo, but animal cells do not have cell walls.c. Plant cells have ribosomes for synthesis, while animal cells have the Golgi apparatus.d. Plant cells have many small vacuoles for storage, while animal cells have one large central vacuole.
The cytoskeleton includesa. microtubules made of actin filaments.b. microfilaments made of tubulin.c. intermediate filaments made of staggered protein tetramers.d. smooth endoplasmic reticulum.
In which of the following ways does a bacterial cell differ from an animal cell? a. A bacterial cell is much larger than an animal cell. b. A bacterial cell has more mitochondria than an animal cell. c. A bacterial cell has RNA for its genetic material, whereas an animal cell does not. d. A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.
Chapter 4 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
Ch. 4.1 - Discuss the cell theory.Ch. 4.1 - Describe the factors that limit cell size.Ch. 4.1 - Prob. 3LOCh. 4.2 - Describe the organization of prokaryotic cells.Ch. 4.2 - Prob. 2LOCh. 4.3 - Prob. 1LOCh. 4.3 - Prob. 2LOCh. 4.3 - Prob. 3LOCh. 4.4 - Prob. 1LOCh. 4.4 - Contrast the different functions of internal...
Ch. 4.4 - Prob. 3LOCh. 4.5 - Describe the structure of mitochondria and...Ch. 4.5 - Compare the function of mitochondria and...Ch. 4.5 - Prob. 3LOCh. 4.6 - Contrast the structure and function of different...Ch. 4.6 - Prob. 2LOCh. 4.7 - Prob. 1LOCh. 4.7 - Prob. 2LOCh. 4.7 - Prob. 3LOCh. 4.8 - Prob. 1LOCh. 4.8 - Prob. 2LOCh. 4 - Prob. 1IQCh. 4 - Prob. 2IQCh. 4 - Prob. 3IQCh. 4 - Which of the following statements is NOT part of...Ch. 4 - All cells have all of the following except a....Ch. 4 - Eukaryotic cells are more complex than prokaryotic...Ch. 4 - Which of the following are differences between...Ch. 4 - The cytoskeleton includes a. microtubules made of...Ch. 4 - The smooth endoplasmic reticulum is a. involved in...Ch. 4 - Plasmodesmata in plants and gap junctions in...Ch. 4 - The most important factor that limits the size of...Ch. 4 - All eukaryotic cells possess each of the following...Ch. 4 - Adherens junctions, which contain cadherin, are...Ch. 4 - Different motor proteins like kinesin and myosin...Ch. 4 - The protein sorting pathway involves the following...Ch. 4 - Chloroplasts and mitochondria have many common...Ch. 4 - Prob. 7ACh. 4 - The smooth endoplasmic reticulum is the site of...Ch. 4 - Use the information provided in table 4.3 to...Ch. 4 - Prob. 3SCh. 4 - The protist Giardia intestinalis is the organism...
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- What is the major function of lysosomes? They: A. package proteins B. detoxify toxic substances C. catalyse lipid metabolism D. digest unwanted particles within the cellarrow_forwardThe cytoskeleton of a cell consists of all of the following, excepta. microtubules.b. actin fi laments.c. extracellular matrix.d. intermediate fi laments.arrow_forwardWhich of the following best distinguishes a prokaryotic cell from aeukaryotic cell?a. Prokaryotic cells have a cell wall, but eukaryotic cells never do.b. Prokaryotic cells are much larger than eukaryotic cells.c. Prokaryotic cells have flagella, but eukaryotic cells do not.d. Prokaryotic cells do not have a membrane-bound nucleus,but eukaryotic cells do have such a nucleus.e. Prokaryotic cells have ribosomes, but eukaryotic cells do nothave ribosomes.arrow_forward
- Explain how the form of each of the following structures is related to its function: a. Cilia b. Microvilli c. Intermediate filaments d. Lysosomes e. Nuclear envelopearrow_forwardIn animal cells, lysosomes are the organelles in charge of digesting enzymes withnutrients that the cell consumes. If all the lysosomes in a cell were to break, what wouldwould initially happen to the cell?A. Molecules within it would degrade.B. It would lose all the water in the cytoplasm.C. There would be no cellular respiration.D. No proteins would form.arrow_forwardSome genetic diseases cause deficient activity of lysosomes. What would be the direct consequence of these diseases? a.Fewer macromolecules within the cytosol. b.Less degradation of old organelles. c.Increased hydrolysis of macromolecules. d.Reduce rate of endocytosis.arrow_forward
- Create a table with the following: the organelles, the cytoplasm, their location and their function a. mitochondria b. ribosome c. golgi bodies d. lysosomes e. Nucleus f. cytoplasmarrow_forwardIn which of the following ways are bacterial cells similar to human cells? a. Bacterial cells have cell walls. b. Bacterial cells have a single, circular chromosome. c. Bacterial cells use ATP to fuel cellular activities. d. Bacterial cells lack mitochondria.arrow_forwardWhich of the following statements about plasmodesmata is true? a. They prevent cytoplasm from passing between cells. b. They are important in the formation of tight junctions. c. They may float freely in the cytoplasm or be membrane-bound. d. They allow adjacent plant cells to communicate with each other.arrow_forward
- Fill in the concept map to the left on your own paper to organize the information on the different levels of organization of cells.arrow_forwardWhat is a microfilament? A. A cytoskeletal element composed of tubulin that forms a dynamic scaffolding for many cellular processes involving movement B. A type of energy-using protein that interacts with cytoskeletal elements to move the cell C. A stable cytoskeletal element composed of fibrous proteins that structurally supports cells and tissues D. A cytoskeletal element made of actin that reinforces cell membranes and functions in cell movementarrow_forwardWhich of the following is a component of the cytoskeleton? a. collagen b. dynein c. elastin d. chromatinarrow_forward
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