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Carbohydrates Carbohydrates Contain the Elements: Carbon Carbon Hydrogen Hydrogen Oxygen Oxygen They Are Split Into Three Groups Known As: They Are Split.

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Presentation on theme: "Carbohydrates Carbohydrates Contain the Elements: Carbon Carbon Hydrogen Hydrogen Oxygen Oxygen They Are Split Into Three Groups Known As: They Are Split."— Presentation transcript:

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2 Carbohydrates Carbohydrates Contain the Elements: Carbon Carbon Hydrogen Hydrogen Oxygen Oxygen They Are Split Into Three Groups Known As: They Are Split Into Three Groups Known As: Monosaccharides(Monomers) Monosaccharides(Monomers) Disaccharides(Dimers) Disaccharides(Dimers) Polsaccharides(Polymers) Polsaccharides(Polymers)

3 Carbohydrates Many carbohydrates are soluble in water. The usual chemical test for the simpler carbohydrates is heating with Benedicts solution. The formula for a carbohydrate is (CH 2 O)n The n represents the number of times the CH 2 O unite is repeated.

4 Monosaccharides (monos) The Most Important Monosaccharide Is Glucose. A Monosaccharide is made up of 1 sugar unit. A Monosaccharide is made up of 1 sugar unit. Monos are reducing sugars. Monos are reducing sugars. Fructose and Galactose are all so Monosaccharides, They all have the same chemical formula but different structures. Fructose and Galactose are all so Monosaccharides, They all have the same chemical formula but different structures.

5 Glucose The chemical formula for glucose is C 6 H 12 O 6. The chemical formula for glucose is C 6 H 12 O 6. It is a six sided ring. It is a six sided ring. The structure on the left is a simplified structure of glucose The structure on the left is a simplified structure of glucose

6 Glycosidic Bond This is when two monosaccharides join to form a Disaccharide. The reaction is similar to condensation. The reaction involves the water been given off. There are three types of Disaccharides: 1. Sucrose 2. Lactose 3. Maltose

7 Glycosidic Bond Above is the structures of a Glycosidic bond. Above is the structures of a Glycosidic bond. It forms a Disaccharide It forms a Disaccharide

8 Structural formula The structural formula for Maltose. The structural formula for Maltose. The structural formula for Lactose. The structural formula for Lactose.

9 Hydrolysis This is the breaking down of a glycosidic bond. This is the breaking down of a glycosidic bond. Instead of water been taken away water is added. Instead of water been taken away water is added. Lysis means splitting. Lysis means splitting.

10 By Sarah Kennedy Tutor Mr Rothery Data


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