Question

Starch a ___________ composed of ____________ subunit (monomers).

a. disaccharide; a-glucose
b. polysaccharide; a-glucose
c. polysaccharide; β-glucose
d. polysaccharide; fructose

Answer 1

b. Starch is a polysaccharide composed of a-glucose subunit (monomers).

Step-by-step explanation:

"The basic chemical formula of the starch molecule is (C6H10O5)n. Starch is a polysaccharide comprising glucose monomers joined in α 1,4 linkages."

Reference: Britannica, The Editors of Encyclopaedia. “Starch.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 2019