Upon release into the synapse, neuropeptides differ from small-molecule transmitters as they
A. cannot be deactivated by enzymes, whereas small-molecule transmitters diffuse away or are deactivated by reuptake.
B. are deactivated by reuptake, whereas small-molecule transmitters diffuse away or are deactivated by enzymes.
C. can diffuse away from synapses, whereas small-molecule transmitters are deactivated by reuptake.
D. and small-molecule transmitters can be deactivated by diffusion, enzymes, or reuptake.
Answer: C
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a. True b. False
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