The following is true for dopamine,norepinephrine,and epinephrine except:
A) part of the same synthesis pathway.
B) the receptors are metabotropic.
C) the absence of tyrosine hydroxylase prevent their synthesis.
D) they are animo acid neurotransmitters.

Question

Quizplus · Accepted Answer

Dopamine, norepinephrine, and epinephrine are catecholamines, not amino acid neurotransmitters. They are synthesized from the amino acid tyrosine, but they themselves are not classified as amino acid neurotransmitters.

The Following Is True for Dopamine,norepinephrine,and Epinephrine Except