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colleen colleen
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13 years ago
Starch, cellulose, and glycogen are all polysaccharides composed of glucose. What makes each of these polysaccharides unique in spite of the fact that all are composed solely of glucose?
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13 years ago
Starch: is produced by plants and is a nutritional form; linear structure with glucose molecules connected by alpha(1-->4) linkages.
Cellulose: is produced by plants and is a structural form; linear structure with glucose molecules connected by beta(1-->4) linkages; mammals do not have the enzyme needed to break this type of linkage.
Glycogen: is produced by animals and is a nutritional form; branched form with alpha(1-->4) linkages with alpha(1-->6) linkages at the branch points.
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