Which statement is INCORRECT?
A) During muscle, contraction actin and myosin always stay the same length.
B) A stimulated neuron releases acetylcholine into the synaptic cleft.
C) Acetylcholine is inactivated by acetylcholinesterase.
D) Removal of acetylcholine causes the muscle fiber to contract.
E) Action of acetylcholine at receptor sites stimulates the muscle fiber.
Correct Answer:
Verified
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