Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 45, Problem 6TYU
Summary Introduction
To review:
The reason for the unbinding of the myosin to actin leading to stiffening of a body (rigor mortis) after death.
Introduction:
As per the sliding-filament theory of Huxley and Hanson, the muscles contract from the combined action of actin and myosin filaments. The head region of a myosin molecule binds to the actin molecule’s active site, which results in a conformational change. This occurs in the presence of an ATP (Adenosine triphosphate) molecule.
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Biological Science (6th Edition)
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