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The amino acid tryptophan is the precursor for the synthesis of

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The amino acid tryptophan is the precursor for the synthesis of
aThyroxine and tri-iodothyronine
bEstrogen and progesterone
cCortisol and cortisone
dMelatonin and Serotonin
✓ Correct answer: d) Melatonin and Serotonin
ExplanationTryptophan is the precursor for the synthesis of Serotonin (a neurotransmitter) and Melatonin (a hormone secreted by the pineal gland). [New NCERT Class 11 Page No. 338]

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