Question

Amino acids have peptide linkage which is:

• A. $-CO-NH-$
• B. $-C-N{H}_2$
• C. $SO-NH-$
• D. $-CO-N-$

Answer 1

Answer: (A)

Two or more amino acids unite through a bond $-CO-NH-$ . Which is known as peptide bond or peptide linkage.