After a power stroke, the myosin head must detach from actin before another power stroke can occur. What causes cross bridge detachment?
A. ADP and inorganic phosphate are bound to the myosin head.
B. Calcium ions bind to troponin.
C. ATP binds to the myosin head.
D. Acetylcholine binds to receptors in the junctional folds of the sarcolemma.
Ans: C. ATP binds to the myosin head.
Nutritional Science
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