Multiple Choice
What is the role of ATP in muscle contraction and relaxation?
A) It is hydrolyzed fro myosin head to attach to actin.
B) It causes myosin head to detach from actin.
C) It powers the Ca2+ pumps to return Ca2+ to the SR.
D) All of the choices are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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