Q. Among the following, the essential amino acid is :

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Solution:

The amino acids which cannot be produced by the human body are called essential amino acids.
There are essential amino acids namely histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Aspartic acid, Alanine, and Serine are nonessential amino acids.