Which of the following neurotransmitters is a neuropeptide?
A) acetylcholine
B) substance P
C) norepinephrine
D) aspartate
E) glycine

Question

Quizplus · Accepted Answer

Substance P is a neuropeptide, which means it is a small protein-like molecule used by neurons to communicate with each other. Neuropeptides are a type of neurotransmitter, distinct from the more commonly known small-molecule neurotransmitters like acetylcholine, norepinephrine, and the amino acids aspartate and glycine.

Which of the Following Neurotransmitters Is a Neuropeptide