Podiatry and Medical - Set 1

Category - Podiatry Part I

What neurotransmitter is a precursor to melanin?
  1. Thiamine
  2. Lysine
  3. Niacin
  4. Serotonin
Explanation
Answer - D - Serotonin is the precursor to melatonin. It is a neurotransmitter derived from tryptophan. When serotonin is acetylated and methylated within the pineal gland, it yields melatonin.
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