Multiple Choice
Serotonin, a neurotransmitter, has a calming effect. Which of the following amino acids is the precursor of serotonin?
A) arginine
B) glutamic acid
C) isoleucine
D) tryptophan
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q75: Why is 70% ethanol used to sterilize
Q76: Which of the following types of chemical
Q77: How many different dipeptides can be made
Q78: Which of the following chemical interactions is
Q79: Which of the following structures contains hemoglobin
Q81: At which pH does a protein have
Q82: Which of the following is an allosteric
Q83: Which of the following statements is true
Q84: Which of the following amino acids has
Q85: Which of the following explains the unusually