The Enzyme Tryptophan Hydroxylase Synthesizes What Neurotransmitter

Question

The enzyme tryptophan hydroxylase synthesizes what neurotransmitter?
A) Acetylcholine
B) Serotonin
C) Dopamine
D) Norepinephrine

Accepted Answer

Tryptophan hydroxylase is the rate-limiting enzyme in the synthesis of serotonin from the amino acid tryptophan.