Which of these does not contribute to the cessation of the signal in a synaptic transmission?
A. Neurotransmitters are no longer released.
B. Enzymes in the postsynaptic cell break down some neurotransmitters.
C. The axon terminal reabsorbs some neurotransmitters by endocytosis.
D. Neurotransmitter escapes from the synapse into the nearby extracellular fluid.
E. Synaptic vesicles secrete neurotransmitter by exocytosis.
Answer: E
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