In: Anatomy and Physiology
QUESTION 21
Which of the following is not a correct statement about the sliding-filament model of muscle contraction?
A. |
Actin crossbridges detach from the myosin filaments with energy from ATP hydrolysis |
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B. |
A major conformational change in relative size occurs within the sarcomere's zones and bands |
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C. |
A muscle shortens or lengthens because the thick and thin filaments slide past each other |
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D. |
The thick and thin filaments do not change length |