Multiple choice

Tryptophan acts as metabolic precursor of:

  1. epinephrine
  2. norepinephrine
  3. serotonin
  4. melatonin

  1. 1 and 2

  2. 1 and 3

  3. 1 and 4

  4. 2 and 3

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Tryptophan is the metabolic precursor to serotonin and the pineal hormone melatonin.

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