20.1.1 Classification of Carbohydrates -R

20.1.1 Classification of Carbohydrates -R - maltose and a...

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2.1.1 Carbohydrates
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 sugars  starches  fiber  Carbohydrates include
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Fig. 5.2 Light energy O O C 6 Carbon dioxide (CO 2 ) Carbon dioxide 6 (CO 2 ) O H H 6 Water (H 2 O) + Water 6 (H 2 O) O O O O C C C C C C H H H H H H H H H H H 1 Glucose (C 6 H 12 O 6 ) Glucose 1 (C 6 H 12 O 6 ) + O O 6 Oxygen (O 2 ) Oxygen 6 (O 2 ) Plants produce oxygen and glucose. Energy from the sun is transferred to chemical bonds of glucose. Plants capture energy from the sun. Plants take in carbon dioxide and water. Origin of Organic Molecules
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Sources of carbohydrates : wheat rice potatoes corn cassava sweet potato apple beans carrots orange pears nuts oats tomatoes…. .
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Simple Carbohydrates : Mono saccharides = one sugar unit  glucose  fructose  galactose Glucose Fig 5.1
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Simple Carbohydrates   cont. Di saccharides: two sugar units  sucrose  lactose  maltose Glucose Fructose O Sucrose Fig 5.3
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Fig. 5-4 Glucose Glucose Maltose The hydroxyl group (—OH) on 1 glucose molecule bonds with a hydrogen atom (H) from the other glucose molecule. The 2 glucose molecules are bonded together forming
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Unformatted text preview: maltose and a molecule of water. + H O OH Monosaccharides bond together This is called a condensation reaction Complex Carbohydrates : oligo saccharides have 3-10 sugar units e.g. raffinose (1 glucose + 1 fructose + 1 galactose) poly saccharides have more than 10 sugar units e.g. starch, glycogen, fiber Fig. 5-7 Starch granules in plants Amylopectin consists of glucose molecules bonded together in a highly branched arrangement. Amylose is a linear chain of glucose molecules bonded together A branch point Starch Glycogen Fig. 5-8 Glycogen granules in muscle Glycogen is a highly branched arrangement of glucose molecules bonded together Enzymes can hydrolyze many glucose molecules simultaneously for a quick release of glucose. Glycogen...
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This note was uploaded on 06/24/2008 for the course FSHN 130 taught by Professor Wood during the Spring '08 term at Washington State University .

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20.1.1 Classification of Carbohydrates -R - maltose and a...

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