Multiple Choice
Substance A is found to be a competitor with acetylcholine. Which step of muscle contraction physiology would be directly affected by this substance?
A) Exposure of the active sites on G actin
B) Release of acetylcholine from the presynaptic terminal
C) Generation of an action potential at the sarcolemma
D) Release of the myosin head following the power stroke
Correct Answer:
Verified
Correct Answer:
Verified
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