During the crossbridge cycle in a skeletal muscle, the next step after a myosin head binds...

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Biology

During the crossbridge cycle in a skeletal muscle, the next stepafter a myosin head binds to actin is that the myosinhead
a. changes conformation in the power stroke.
b. unbinds from the actin.
c. binds to calcium.
d. contributes to rigor mortis.

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Answer a changes confirmation in the power stroke Explanation In resting stage of the muscle tropomycin covers the active site of actin this prevents the cross bridge formation between    See Answer
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