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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Which of the following is involved in the synthesis of the plant hormone IAA and the vasoconstrictor serotonin?

Options

  1. ATryptophan
  2. BTyrosine
  3. CPhenylalamine
  4. DNone of these

Correct answer

A. Tryptophan

Step-by-step solution

The amino acid tryptophan is a precursor for the biosynthesis of indole 3 acetic acid (IAA) and the tryptophan is the sole precursor of synthesis of serotonin which is a vasoconstrictor.

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