Biology / Bio 0194 · Atom · ~20 seconds
Polysaccharides: Starch and Glycogen
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A polysaccharide is a long chain of monosaccharides joined by glycosidic bonds; starch and glycogen are storage forms built from glucose.
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A plant stores excess glucose as starch in its roots and seeds; an animal stores it as glycogen in liver and muscle.
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Starch and glycogen both store the same monomer, glucose, but differ in how tightly their chains are branched.