Biomolecules Question 20
20. Which is an essential amino acid?
(a) Serine
(b) Aspartic acid
(c) Glycine
(d) Phenylalanine
Show Answer
Answer : d
Hints & Solutions
(d) Essential amino acids are those which cannot be synthesized in the body from precursors. These amino acids must be present in our diet. They are valine, leucine, isoleucine, lysine, methionine, phenylalanine, tryptophan and threonine.
