Polysaccharides like starch, glycogen, and cellulose are important in biology for storing and providing energy. Chitin, being different, plays a role in structural support.
Polysaccharides are long polymers made up of monosaccharides connected by glycosidic linkages. The three primary polysaccharides discussed are starch, glycogen, and cellulose. While starch and glycogen consist of D-glucose, chitin is composed of a modified form of glucose.
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