Which one of the following amino acids is an essential part of human diet ?

(a) Glycine

(b) Phenylalanine

(c) Serine

(d) Aspartic acid

Audio Explanation:


(b) For human beings, eight amino acids are essential. these are leucine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.

Difficulty Level:

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