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Why Can Humans Digest Starch but Not Cellulose

Question 2

Multiple Choice

Why can humans digest starch but not cellulose?


A) Humans have enzymes that can hydrolyze the α-glycosidic linkages of starch but not the β-glycosidic linkages of cellulose.
B) Starch monomers are joined by covalent bonds, and cellulose monomers are joined by ionic bonds.
C) The monomer of starch is glucose, while the monomer of cellulose is galactose.
D) Starch is softer than cellulose.

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