BiologicalMolecules160-page8

BiologicalMolecules160-page8 - or so glucose units) and is...

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Biological Molecules - 8 Polysaccharides Polysaccharides are formed by joining several monosaccharides, each to the next by a dehydration synthesis. The common polysaccharides are: Starch ( ± 1–4 linkage) (boat) Glycogen Both starch and glycogen are polysaccharides of glucose. Starch is a very long coiled, unbranched or branching chain, with about 1000 glucose molecules in any branch. Glycogen branches frequently (about every 10
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Unformatted text preview: or so glucose units) and is more easily broken down. Starch and glycogen are important fuel storage molecules. Cellulose ( 14 linkage) (chair) Long chains of glucose Cellulose is for most living organisms, non-digestible. Few organisms have the enzyme needed to break down cellulose. Cellulose and related compounds form most of what we call fiber....
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