Practice!

Sample Problem

Breaking down carbohydrates into sugars within the mouth would be an example of [Check all that apply]

(A) enzymatic hydrolysis

(B) ingestion

(C) intracellular digestion

(D) extracellular digestion

Solution

(A) and (D) are both correct. The breaking of polymers into monomers, carbohydrates into sugars, is the process of enzymatic hydrolysis. And enzymatic hydrolysis, or chemical digestion, outside of the cell, is extracellular digestion.