Humans can digest starch but not cellulose because
A) the monomer of starch is glucose, while the monomer of cellulose is galactose.
B) humans have enzymes that can hydrolyze the ß glycosidic linkages of starch but not the a glycosidic linkages of cellulose.
C) humans have enzymes that can hydrolyze the a glycosidic linkages of starch but not the ß glycosidic linkages of cellulose.
D) humans harbor starch-digesting bacteria in the digestive tract.
E) the monomer of starch is glucose, while the monomer of cellulose is glucose with a nitrogen-containing group.
Answer: C
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