Carbs Outline

Carbs Outline - CHAPTER 14 REVIEW CARBOHYDRATES...

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CHAPTER 14 – REVIEW CARBOHYDRATES Carbohydrates: also called polysaccharides. Elements C(H 2 O). o Produced by photosynthesis in plants to store energy and for structure. o Broken down in plants during respiration to produce energy for plants. Polysaccharides: o Monosaccharides: simplest carbohydrates (1 sugar). o Disaccharides: two saccharides linked. Hydrolysis results in 2 sugars. o Polysaccharides: hydrolysis results in many sugars. Glucosidic bond: links monosaccharides together. Monosaccharide structure: o 3-6 carbon atoms and several (-OH) groups. o Contains either an aldehyde at C-1. Aldose: 3-C = triose, 4-C = tetrose, 5-C = pentose, etc. Reducing sugars: The C=O is at C-1 they can be reduced to an alcohol (alditols). o Or a ketone at C-2 Ketose: 5-C = ketopentose, 6-C = ketohexose. o Chiral carbon: A carbon atom that is bonded to four different atoms or groups of atoms. D, L notation:
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This note was uploaded on 04/10/2008 for the course CHEM 231 taught by Professor Hanover during the Spring '08 term at Lansing.

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Carbs Outline - CHAPTER 14 REVIEW CARBOHYDRATES...

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