Question

Essential amino acids are those which  A. have to be obtained from food  B. can be made in our cells  C. can not be obtained from food  D. need not be essentially supplemented in the diet

Answer 1

Essential amino acids are those which have to be obtained from food, as our bodies cannot synthesize them on their own. There are 9 essential amino acids: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.