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

What is a disaccharide?

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 disaccharide?

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A disaccharide is a carbohydrate made of two monosaccharides joined by a glycosidic bond formed through dehydration synthesis. Common examples are sucrose, which is glucose plus fructose; lactose, which is glucose plus galactose; and maltose, which is two glucose units.