Biology
Carbohydrates
- Created by: Hebe Monks
- Created on: 21-09-14 16:10
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- Carbohydrates
- Carbohydrates are polymers.
- Glucose- hexose sugar (monosaccharide)
- Monosaccharides are joined by condensation reaction.
- Glycosidic bond
- Two monosaccharides= Disaccharide.
- Two + monosaccharide= Polysaccharide.
- Enzymes hydrolyse di/polysaccharides.
- Maltose- Maltase= Glucose&Glucose
- Sucrose- Sucrase= Glucose&Fructose
- Lactose- Lactase= Glucose&Galactose
- Lactose- Intolerant
- Lack of Lactase enzyme. Which breaks down lactose.
- Bacteria can ferment undigested lactose.
- Lactose- Found in milk/dairy
- Symptoms: Flatulence, diarrhoea, cramps
- Starch:
- Two polysaccharides-Amlose& Amylopectin
- Both long a-glucose chains. Glycosidic bond.
- Digested= Broken down to Maltose by amylase.
- Maltase breaks down maltose, into a-glucose molecules.
- Carbohydrates are polymers.
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