Question

Melatonin is a:

• A. Steroid
• B. Aminoacid derivative
• C. Glycoprotein
• D. Peptide

Answer 1

Answer:

B. Aminoacid derivative

Melatonin is a derivative of the amino acid tryptophan. The process of synthesizing melatonin from tryptophan involves four enzymatic steps. Serotonin is a key intermediate in this process.