Biology · Biomolecules
Which amino acid acts as a biological precursor to serotonin, a neurotransmitter that regulates appetite, sleep, and mood?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Tryptophan✓
- 2Isoleucine
- 3Valine
- 4Methionine
Correct answer
Tryptophan
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