Question

The non-essential amino acid among the following is :
(1) valine
(2) leucine
(3) alanine
(4) lysine

Answer 1

Non essential amino acid among options is - (3) alanine.

Amino acids are the monomeric units of proteins. Former are bound together by peptide bonds to form proteins.

Essential amino acids are the ones which are not synthesized by humans.

Hence, they are required and uptaken by food. This explains the fact that protein rich diet is necessary.

Essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Deficiency may result in disorders.