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Muscle Contractions
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Muscle Contractions
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15. Cytoskeleton and Cell Movement / Muscle Contractions / Problem 3
Problem 3
Why is the cross-bridge cycle critical for muscle contraction?
A
It regulates the amount of calcium released in the muscle.
B
It stores energy for future muscle contractions.
C
It allows for the repeated binding and release of myosin to actin, facilitating the sliding of filaments and muscle contraction.
D
It prevents the muscle from contracting too quickly.
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