Following Release from the Presynaptic Cell,neuropeptides​

Multiple Choice

Following release from the presynaptic cell,neuropeptides​

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.