Following Release from the Presynaptic Cell,neuropeptides​

question 122

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.