Which of the following compounds is NOT a neuropeptide?
A) epinephrine
B) oxytocin
C) vasopressin
D) endorphin
E) substance P

Question

Quizplus · Accepted Answer

Epinephrine, also known as adrenaline, is not a neuropeptide but a hormone and a neurotransmitter. It is produced in the adrenal glands and some neurons. Neuropeptides, like oxytocin, vasopressin, endorphin, and substance P, are small protein-like molecules used by neurons to communicate with each other.

Which of the Following Compounds Is NOT a Neuropeptide