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Chapter7 student - Carbohydrates Molecules for Structure...

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Carbohydrates Molecules for Structure and Energy Storage 1 MCDB310 Chapter 7: Carbohydrates
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Monosaccharides one sugar unit aldehydes or ketones with two or more hydroxyl groups carbons onto which these are attached are chiral centers D-glucose (dextrose) most common names end in ‘ ose Oligosaccharides short chains of sugars joined with glycosidic bonds disaccharides are most abundant sucrose is common = D-glucose + D-fructose names end in ‘ ose Carbohydrate Classes 2 MCDB310 Chapter 7: Carbohydrates
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Polysaccharides usually >20 monosaccharides linked together (up to 1000s) sugar chains can be linear or branched starch and cellulose: glucose polymers that differ greatly in structure and function Carbohydrate Classes 3 MCDB310 Chapter 7: Carbohydrates
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backbones are unbranched carbon chains with single bonds usually contain multiple chiral carbon atoms can be open-chain or cyclic open forms have a carbonyl group aldehyde aldose ketone ketose monosaccharide names: Type of carbonyl group and number of carbon atoms Monosaccharides 4 MCDB310 Chapter 7: Carbohydrates
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