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Carbohydrates Contain the Elements:

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Presentation on theme: "Carbohydrates Contain the Elements:"— Presentation transcript:

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

2 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 (CH2O)n The n represents the number of times the CH2O unite is repeated.

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

4 Glucose The chemical formula for glucose is C6H12O6.
It is a six sided ring. The structure on the left is a simplified structure of glucose

5 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: Sucrose Lactose Maltose

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

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

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

9 By Sarah Kennedy Tutor Mr Rothery Data 14.11.02

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