A neurotransmitter:
A)serves to open ionic channels in the postsynaptic membrane
B)is stored in the postsynaptic membrane
C)is excitatory,not inhibitory
D)must be inactivated after it is released from the synaptic vesicles
E)both A and D

Question

Quizplus · Accepted Answer

A neurotransmitter is stored in presynaptic vesicles.As it is released,it is rapidly inactivated so that not too much is released at one time.After crossing the synaptic cleft,it binds with receptors in the postsynaptic membrane to open ionic channels.

A Neurotransmitter