Which one of the following amino acids is an essential part of human diet?
A. Glycine
B. Phyenylalanine
C. Serine
D. Aspartic acid

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1 Answers

Correct Answer - B
For human beings, eight amino acids are essential. These are leucine, isoleucine, lysine, methionine, pheylalanine, threonine, tryptophan and valine.

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