In the vertebrate neuromuscular junction, acetylcholine leaves the presynaptic neuron through the process of _______.It then diffuses across the synaptic cleft and _______.
A) endocytosis; enters the muscle cell by exocytosis
B) exocytosis; closes voltage-gated Ca2+ channels in the postsynaptic membrane
C) diffusion; enters the postsynaptic cell through the formation of vesicles
D) exocytosis; enters the muscle cell through endocytosis
E) exocytosis; binds to acetylcholine receptors on the postsynaptic membrane
Correct Answer:
Verified
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