BY1: Carbohydrates 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryASWJEC Created by: fionnluke1Created on: 18-09-15 16:31 What is the general formula of a monosaccharide? (CH2O)n 1 of 26 What is the formula for a triose carbohydrate? C3H6O3 2 of 26 What is the name given to a carbohydrate with the Pentose 3 of 26 Name a triose carbohydrate? Glyceraldehyde 4 of 26 Name two pentose carbohydrates? Deoxyribose Ribose 5 of 26 Name a hexose carbohydrate. Glucose 6 of 26 What is a disaccharide? Two monosaccharide's joined together by a glycosidic bond formed during a condensation reaction. 7 of 26 How do you undo a condensation reaction? Hydrolisis 8 of 26 What is Lactose made up of? Alpha glucose and galactose 9 of 26 What does glucose + glucose form? Maltose 10 of 26 What is sucrose made up of? Glucose Fructose 11 of 26 Describe alpha glucose. Alpha glucose has a hydrogen group above the plane of the ring on carbon atom 1. 12 of 26 Describe beta glucose. Beta glucose has a hydroxil group above the plane of the ring on carbon atom 1. 13 of 26 What is an isomer? Molecules which has the same chemical formula but different structures. 14 of 26 What is the formula of a disaccharide? C12H22O11 15 of 26 Fructose is a pentose shape. Why is it a hexose? It has 6 carbon atoms. 16 of 26 What are the two types of polysaccharide? Storage Structural 17 of 26 Give four properties of storage polysaccharides. compact easy to add or remove molecules Insoluble dont exert an osmotic effect 18 of 26 What is glycogen used as? Storage in animals 19 of 26 What is glycogen made of? Alpha glucose 20 of 26 Which two types of chains is starch made of? Amylopectin Amylose 21 of 26 Where is starch made? plants 22 of 26 Name two structural polysaccharides? Cellulose Chitin 23 of 26 What is cellulose made of? Beta glucose 24 of 26 How do beta glucose form glycosidic bonds? Every other beta glucose rotates 180 degrees 25 of 26 Describe the structure of cellulose Adjacent chains can join together by hydrogen bonding to form microfibrils 26 of 26
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