What role does ATP play in the cross-bridge cycle?
A. The binding of ATP to myosin causes
myosin to detach from actin.
B. The binding of ATP to myosin causes
myosin to bind to actin.
C. The binding of ATP to myosin causes the
myosin head to cock.
D. The biding of ATP to myosin produces the
power stroke.
E. The binding of ATP to myosin forms a
cross-bridge.
A
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