Question

during the synthesis of a polypeptide, the next amino acid in the growing polymer is added to which functional group shown in the figure? a. —oh d. —nh₂ b. o —c— e. —sh c. o —c—o—h

Explanation:

In polypeptide synthesis, amino - acids are joined by peptide bonds. A peptide bond forms between the carboxyl group (-COOH) of one amino - acid and the amino group (-NH₂) of the next amino - acid. The next amino - acid is added to the carboxyl group of the growing polypeptide chain.

Answer:

C. $\ce{-COOH}$