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Which of the following amino acid is precursor of auxin synthesis?
Question

Which of the following amino acid is precursor of auxin synthesis?

A.

Methionine

B.

Lysine

C.

Tryptophan

D.

Leucine

Correct option is C


Tryptophan is the precursor for auxin (Indole-3-Acetic Acid, IAA) synthesis in plants.

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