When a calcium ion binds to troponin,
A) tropomyosin moves out of the groove between the actin molecules.
B) active sites on the myosin are exposed.
C) actin heads will bind to myosin.
D) muscle relaxation occurs.
E) all of the above
Correct Answer:
Verified
Q32: At the neuromuscular junction, the muscle fiber
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Q34: Contraction during muscle lengthening is called
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