The amino acid that can be converted into a vitamin:
Ans. B. TryptophanTryptophan can be converted to Niacin.The rate limiting enzyme in Niacin synthesis is Quinolinate Phosphoribosyl Transferase (QPRTase)Specialised products of TryptophanSerotonin (5 Hydroxytryptamine)MelatoninNiacin
Proteins and Amino Acids
Glycine
Tryptophan
Phenylalanine
Lysine
Tryptophan