As a Protein Is Broken Down into Smaller and Smaller

Multiple Choice

As a protein is broken down into smaller and smaller fragments, each fragment ultimately requires splitting of the last peptide bond within it. The breaking of the bond between those last two amino acids is catalyzed by the enzyme

A) pepsin.
B) chymotrypsin.
C) dipeptidase.
D) trypsin.
E) glucoamylase.