The arrival of a(n)____ causes synaptic vesicles to be released from their protein anchors, allowing the vesicles to fuse with the cell membrane and release ____ into the synaptic cleft

a. action potential; neurotransmitters
b. neurotransmitter; an electrical charge
c. action potential; an electrical charge
d. neurotransmitter; more neurotransmitters


ANSWER:
a

Psychology

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