BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Chapter 45, Problem 3CQ
Summary Introduction
To determine: The role of energy with regard to the mechanism by which skeletal muscle cells contract.
Introduction:
Actin and myosin interact to promote muscle contraction and shortening. Myosin proteins associate in a parallel way with the extension of hinges and heads on the sides to form cross-bridges.
Cross-bridge cycle during muscle contraction involves the following sequence of events:
- Binding of a cross-bridge to a thin filament.
- Movement of cross-bridge towards the H zone of the sarcomere.
- Detachment of the cross-bridge from the actin filament.
- Movement of cross-bridge away from the H zone for the cycle to begin again.
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Chapter 45 Solutions
BIOLOGY
Ch. 45.1 - Prob. 1CCCh. 45.2 - Prob. 1CCCh. 45.2 - Prob. 1CSCh. 45.2 - Prob. 2CSCh. 45.3 - What is the normal function of the PPAR- protein...Ch. 45.3 - CoreSKILL What was the hypothesis proposed by...Ch. 45.3 - CoreSKILL Assume that the mean weight of both...Ch. 45 - Prob. 1TYCh. 45 - Prob. 2TYCh. 45 - Prob. 3TY
Ch. 45 - Prob. 4TYCh. 45 - The function of ATP during muscle contraction is...Ch. 45 - The function of Ca2+ in skeletal muscle...Ch. 45 - Stimulation of a muscle fiber by a motor neuron...Ch. 45 - Muscle fibers that have a large number of...Ch. 45 - Which of the following statements about movement...Ch. 45 - Prob. 10TYCh. 45 - Compare the structural and functional features of...Ch. 45 - Describe as many types of animal locomotion as you...Ch. 45 - Prob. 3CQCh. 45 - List and briefly describe the steps in the...Ch. 45 - Discuss the three types of muscle tissues found in...
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