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What is Which of the following is a Semi-essential aminoacid- and explain in detail?
Ans. is 'b' i.e., Histidine* Histidine is a semiessential aminoacid, as this aminoacid can be synthesized by metabolic pathways in human. But the synthetic rate is not sufficient enough to meet the increased demands during growth spurts.* Tyrosine and Alanine are non essential aminoacids* Isoleucine is an essential aminoacid