Answer
A. The active site of an enzyme binds to a gluten protein and facilitates the hydrolysis reaction that breaks apart peptide bonds.
Work Step by Step
Gluten is only digested in the stomach partially. This means, not all the peptides are digested by the enzyme present in the stomach and the intestines. Few peptides left behind. the active site of the digestive enzymes generates the hydrolysis reaction that breaks the peptide bonds.
