Starch is composed of two glucose polymers, amylose and amylopectin, which are both branched chains of glucose molecules. Glycogen is similar in structure to amylopectin but is more branched. Starch is found in plant food sources such as rice, potatoes, and wheat while glycogen is found in animal tissues. Starch is digestible by human enzymes in the small intestine.

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Starch

Question 30

Multiple Choice

Starch

A) is composed of amylose and amylopectin.
B) is found in both plant and animal food sources.
C) is more branched than glycogen.
D) cannot be digested by human enzymes.

Correct Answer: