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Title: AQA AS BIOLOGY CARBOHYDRATES
Description: Detailed first year (AS) biology notes to aid key revision of topics and enhance knowledge.
Description: Detailed first year (AS) biology notes to aid key revision of topics and enhance knowledge.
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Monosaccharides: Simple Sugars (one)
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When a
reducing sugar is heated with B Solution it forms an insoluble red precipitate of copper oxide
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Non-Reducing sugars don’t change colour of B Reagent
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have the same molecular formula
(C6H12O6) / different structural formula
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Sucrose: Glucose + Fructose (Table Sugar)
As polysaccharides are very large
Lactose: Glucose + Galactose (Milk Sugar)
molecules, they are insoluble
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sugar (5 Carbons/ 1
Oxygen) / 6 Atom Ring
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Glucose: C6 H12 O6
Carbohydrates
Respiration:
Oxygen + Glucose —> CO2 + Water
6O2 + C6O12H6 —-> 6CO2 + 6H2O
Glucose / Fructose = Structural isomers:
Functions of Carbohydrates:
1
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2
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g
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3
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g
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4
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g
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5
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g
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Carbohydrates Contain:
Carbon ( C )
OH = Hydroxyl
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A Glycosidic Bond is formed
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= Hydrolysis Reaction
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Title: AQA AS BIOLOGY CARBOHYDRATES
Description: Detailed first year (AS) biology notes to aid key revision of topics and enhance knowledge.
Description: Detailed first year (AS) biology notes to aid key revision of topics and enhance knowledge.