What is the function of glycogen?

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Multiple Choice

What is the function of glycogen?

Explanation:
Glycogen acts as a rapid-storage form for glucose in animals. It’s a highly branched polysaccharide composed of glucose units linked mainly by alpha-1,4 bonds with alpha-1,6 branches, which lets it be synthesized and broken down quickly to meet short-term energy needs. In the liver, glycogen helps keep blood glucose levels steady between meals, while in muscle tissue it provides glucose for immediate ATP production during activity. Plants store glucose as starch, not glycogen, so glycogen’s role is specifically energy storage in animals. It’s not a structural material like cellulose, nor does it catalyze chemical reactions—that function belongs to enzymes.

Glycogen acts as a rapid-storage form for glucose in animals. It’s a highly branched polysaccharide composed of glucose units linked mainly by alpha-1,4 bonds with alpha-1,6 branches, which lets it be synthesized and broken down quickly to meet short-term energy needs. In the liver, glycogen helps keep blood glucose levels steady between meals, while in muscle tissue it provides glucose for immediate ATP production during activity. Plants store glucose as starch, not glycogen, so glycogen’s role is specifically energy storage in animals. It’s not a structural material like cellulose, nor does it catalyze chemical reactions—that function belongs to enzymes.

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