The essential amino acids are those

Options

A. which are essential to catalyse reactions that lead to the formation of peptides
B. which cannot be synthesized by animals from other materials in the diet
C. the deficiency of which in the diet prevents growth and may even cause death
D. as mentioned in both (2) and (3)

Answer

D

Explanation

Essential amino acid must be fed to young animals if proper growth is to take place, these particular amino acids cannot be synthesized by the animals from the other materials in its diet. The number of essential amino acids for humans is 10.
Nonessential amino acids are synthesized by body cells from metabolite of ingested food.