Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 4, Problem 2MC
Which of the following is not a function of the cytoskeleton?
- a. organelle movement
- b. extracellular support
- c. cell movement
- d. maintenance of cell shape
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Which of the following is not a function of cytoskeleton in a cell ?
A) Maintenance of cell shape and structure
B) Intracellular transport
C) Cell motility
D) Support of the organelle
Which of the following is a feature common to all three components of the cytoskeleton? a. They all serve to scaffold the organelles within the cell. b. They are all characterized by roughly the same diameter. c. They are all polymers of protein subunits. d. They all help the cell resist compression and tension.
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.
Chapter 4 Solutions
Biology
Ch. 4.1 - trace the historical development of the cell...Ch. 4.1 - list the three principles of the cell theory?Ch. 4.2 - Prob. 1TCCh. 4.2 - Prob. 1CYLCh. 4.2 - Prob. 2CYLCh. 4.3 - Prob. 1CSCCh. 4.3 - describe the structure and features shared by all...Ch. 4.3 - distinguish prokaryotic from eukaryotic cells?Ch. 4.3 - Prob. 3CYLCh. 4.4 - describe the structure and function of the major...
Ch. 4.4 - Prob. 2CYLCh. 4.5 - Prob. 1CSCCh. 4.5 - Why do the chromosomes in chromatin condense in...Ch. 4.5 - Using Fig. E4 4. plot the changes in each country...Ch. 4.5 - Why is it advantageous for all cellular membranes...Ch. 4.5 - Why is it important for lysosomal enzymes to be...Ch. 4.5 - Over the years, scientists have wondered how many...Ch. 4.5 - What problems would arise if the trachea were...Ch. 4.5 - Prob. 1CYLCh. 4.5 - list the structures found in animal but not plant...Ch. 4.5 - describe the structure and function of each major...Ch. 4.5 - Prob. 1CTCh. 4 - Which of the following is/are found only in...Ch. 4 - Which of the following is not a function of the...Ch. 4 - Prob. 3MCCh. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 1FIBCh. 4 - Prob. 2FIBCh. 4 - Prob. 3FIBCh. 4 - Prob. 4FIBCh. 4 - Prob. 5FIBCh. 4 - Two organelles that are believed to have evolved...Ch. 4 - Prob. 7FIBCh. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Describe the nucleus and the function of each of...Ch. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Describe the structure and function of the...Ch. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - List the structures of bacterial cells that have...Ch. 4 - Prob. 1ACCh. 4 - Prob. 2ACCh. 4 - What problems would an enormous round cell...
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- Which of the following is not a component of the endomembrane system? a. mitochondrion b. Golgi apparatus c. endoplasmic reticulum d. Iysosomearrow_forwardThe plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forwardThe main function of the endomembrane system is _______ . a. building and modifying proteins and lipids b. isolating DNA from toxic substances c. secreting extracellular matrix onto the cell surface d. producing ATP by aerobic respirationarrow_forward
- This organelle is composed of extensive amounts of membrane. It synthesizes lipids and detoxifies harmful substances such as alcohol. This organelle is a. the smooth endoplasmic reticulum. b. a mitochondrion. c. a proteasome. d. a lysosome.arrow_forwardWhich of these elements of the cytoskeleton is composed of tubulinand forms essential components of centrioles, spindle fibers, cilia,and flagella?a. actin filaments b. intermediate filaments c. microtubulesarrow_forwardEnzymes contained in break down worn-out organelles, bacteria, and other particles. a. lysosomes c. endoplasmic reticulum b. amyloplasts d. peroxisomesarrow_forward
- The organelle that combines proteins with carbohydrates and packages them within vesicles for secretion is A.the Golgi complex. B.the rough endoplasmic reticulum. C.the smooth endoplasmic reticulum. D.the ribosome.arrow_forwardWhich of the following is not a function of the smooth endoplasmic reticulum? Group of answer choices a.Provides a site for ribosome attachment b.Supplies membrane for use throughout the cell c.Makes steroid hormones d.Makes glycoproteinsarrow_forwardIn which part of a cell does the process of making ATP from oxygen and glucose take place? A. lysosomes B. ribosomes C. mitochondria D. golgi apparatusarrow_forward
- Match each following organelle with its function: Select the INCORRECT match. a. Cytoskeleton/ Network of microtubulesand microfilaments b. RER/ Has sites for protein synthesis c. Nucleus/ Site of ribosome synthesis d. SER/ Contains enzymes for lipid synthesisarrow_forward"Without the cytoskeleton, the cell will not be able to perform any of its functions." Is there truth behind this claim? explainarrow_forwardWhich of the following is a component of the cytoskeleton? a. collagen b. dynein c. elastin d. chromatinarrow_forward
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