Healthy volunteers drink an amino-acid mixture that excludes tryptophan, sharply lowering plasma tryptophan. Which mechanism best explains the resulting fall in brain serotonin synthesis?
Choose one answer
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MRCPsych · Paper A
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Healthy volunteers drink an amino-acid mixture that excludes tryptophan, sharply lowering plasma tryptophan. Which mechanism best explains the resulting fall in brain serotonin synthesis?
Choose one answer