Question

proteins are built by bonding amino acids together using a peptide bond. identify the two chemical groups that are bonded together in a peptide bond. (1 point)
carboxyl and amino groups
methyl and sulfhydryl groups
amino and methyl groups
carboxyl and methyl groups
check answer remaining attempts : 3

Explanation:

To form a peptide bond, the carboxyl group (-COOH) of one amino acid reacts with the amino group (-NH₂) of another amino acid, releasing a water molecule. Methyl (-CH₃) and sulfhydryl (-SH) groups are not involved in peptide bond formation. So the correct groups are carboxyl and amino groups.

Answer:

A. carboxyl and amino groups