Memotiva AP Biology Unit 1 Topic 1.4: Carbohydrates Structure and Function — Monosaccharides, Disaccharides, Polysaccharides

What is a polysaccharide?

AP Biology Unit 1 Topic 1.4: Carbohydrates Structure and Function — Monosaccharides, Disaccharides, Polysaccharides

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Nortren·April 11, 2026

What is a polysaccharide?

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A polysaccharide is a large carbohydrate built from many monosaccharide units linked by glycosidic bonds. Polysaccharides serve two main roles: storing energy and providing structural support. The four most important polysaccharides for AP Biology are starch, glycogen, cellulose, and chitin.