Which of the two groups of the given formula is involved in peptide bond formation between different amino acids ?

Options

A. a) 2 and 3
B. b) 1 and 3
C. c) 1 and 4
D. d) 2 and 4

Answer

B

Explanation

Proteins are polymers of different amino acids, which are linked by peptide (CONH) bond formed by dehydration (polymerisation) between `COOH` group of one amino acid and `NH_(2)` group of next amino acid with the removal of `H_(2)O`