Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 7, Problem 4TYK
How does the hydrolysis of ATP result in the movement of a motor protein along a cytoskeletal filament?
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Chapter 7 Solutions
Biological Science (7th Edition)
Ch. 7 - What are three attributes of mitochondria and...Ch. 7 - PROCESS OF SCIENCE Which of the following results...Ch. 7 - Molecular zip codes direct molecules to particular...Ch. 7 - How does the hydrolysis of ATP result in the...Ch. 7 - Prob. 5TYUCh. 7 - 7. Most of the proteins that enter the nucleus...Ch. 7 - Prob. 11PIATCh. 7 - 12. MODEL The distribution of melanosomes in cells...Ch. 7 - Prob. 15PIATCh. 7 - Prob. 16PIAT
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- Microtubules are polar filaments; that is, one end is different from the other. What is the basis for this polarity, how is polarity related to microtubule organization within the cell, and how is polarity related to the intracellular movements powered by microtubule-dependent motors?arrow_forwardDefine Organelle transport by microtubule motors.arrow_forwardThe cytoplasm contains a network of three types of filaments that form the cytoskeleton. What are they?arrow_forward
- Give two examples of biological functions that are enabled by microfilaments or microtubules together with associated motor proteins.These could be whole cell functions or functions within the cell.arrow_forwardWhat would be the consequence for actin filament assembly/disassembly if a mutation prevented actin’s ability to bind ATP? What would be the consequence if a mutation prevented actin’s ability to hydrolyze ATP?arrow_forwardDescribe the structure of Intermediate filaments?arrow_forward
- Actin and microtubules have polarity, intermediate filaments have no polarity. What is the main consequence of this difference?arrow_forwardAddition of which of the following would increase the rate of actin depolymerization on the minus end of the filament by dissociating ADP-actin? Othymosin-b4 O cofilin O ATP-G-actin O profilin O Cap Zarrow_forwardIn addition to providing support, the cytoskeleton immobilizes enzymes and organelles in the cytoplasm. What advantage does this immobilization have over allowing the cellcontents to freely diffuse in the cytoplasm?arrow_forward
- What important ion channel is present in the membrane of a lysosome? What is the function of the ion channel? If enzymes from a lysosome leaked out into the cytosol, what would happen?arrow_forwardWhat is not a similarity between motility of cilia/flagella and skeletal muscle? Group of answer choices: Both have cytoskeletal fibers arranged in a ring pattern Both involve motor proteins connected to a cytoskeleton "track" Both can produce movement Both require ATP hydrolysisarrow_forwardName the cytoskeletal element (actin microfilaments, intermediate filaments, or microtubules) for each of the following.(a) give the cell its shape(b) resist tension placed on a cell(c) radiate from the centrosome(d) interact with myosin to produce contraction force(e) are the most stable(f) associated with kinesins and dyneins(g) associated with the motor protein myosinarrow_forward
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