Which of the following is not a polysaccharide?

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Multiple Choice

Which of the following is not a polysaccharide?

Explanation:
Polysaccharides are long polymers made up of many sugar units linked together by glycosidic bonds. The ones listed that are polysaccharides are energy storage or structural polymers built from glucose in various linkages. Starch and glycogen store energy in plants and animals, respectively, while cellulose provides structural support in plant cell walls, all as long chains of glucose. Sucrose, in contrast, is a disaccharide: it consists of just two monosaccharide units (glucose and fructose) joined by a glycosidic bond. Since it contains only two sugar units and is not a polymer, it is not a polysaccharide.

Polysaccharides are long polymers made up of many sugar units linked together by glycosidic bonds. The ones listed that are polysaccharides are energy storage or structural polymers built from glucose in various linkages. Starch and glycogen store energy in plants and animals, respectively, while cellulose provides structural support in plant cell walls, all as long chains of glucose.

Sucrose, in contrast, is a disaccharide: it consists of just two monosaccharide units (glucose and fructose) joined by a glycosidic bond. Since it contains only two sugar units and is not a polymer, it is not a polysaccharide.

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