IAA is derived from or which of the following is involved in the synthesis of a plant hormone IAA and Vasoconstrides cerotonin?

Question

IAA is derived from or which of the following is involved in the synthesis of a plant hormone IAA and Vasoconstrides cerotonin? (A) tryptophan (B) tyrosine (C) phenylalamine (D) none of these

Tardigrade Admin · Accepted Answer

Auxin (Indole Acetic Acid IAA) is the derivative of tryptophan. Tyrosine is an aromatic amino acid. It is a hydroxylated derivative of phenyialanine. Phenylalanine is an aromatic amino acid.

Q. IAA is derived from or which of the following is involved in the synthesis of a plant hormone IAA and Vasoconstrides cerotonin?

tryptophan

tyrosine

phenylalamine

none of these

Auxin (Indole Acetic Acid IAA) is the derivative of tryptophan. Tyrosine is an aromatic amino acid. It is a hydroxylated derivative of phenyialanine. Phenylalanine is an aromatic amino acid.