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Biological Molecules
| Question | Answer |
|---|---|
| What elements do carbohydrates have? | C, H and O |
| what elements do proteins have? | C, H, O, N and S |
| what elements do Nucleic acids have? | C, H, O, N and P |
| what are the properties of water? | Liquid, density, solvent, cohesion and surface tension, high specific heat capacity, high latent heat of vaporisation and reactant |
| a glucose + a glucose? | maltose |
| a glucose + fructose? | sucrose |
| b galactose + a glucose? | lactose |
| b glucose + b glucose? | cellobiose |
| what disaccharides are reducing sugars? | maltose and lactose |
| what disaccharides are non reducing sugars? | sucrose |
| Amylose structure? | a glucose molecules, 1,4 glycosidic bonds, spiral shape, less soluble due to hydroxyl groups on inside |
| Amylopectin structure? | a glucose molecules, 1,4 and 1,6 glycosidic bonds, bracnched spiral |
| glycogen structure? | 1,4 and 1,6 glycosidic bonds, less tendency to coil, compact and easily hydrolysed |
| Cellulose structure? | b glucose molecules, alternating chain, no spirals due to hydrogen bonding, microibril to macrofibril, high tensile strength and difficult to digest. |
| structure of amino acid | NH2CH(R)COOH |
| properties and functions of collagen | in artery walls, tendons, bones, cartilage and connective tissues |
| properties and functions of keratin | nails, claws, hoofs, hair, fur etc. |
| properties and function of elastin | skin, lungs, blood vessels. |
| properties and function of haemoglobin | globular, conjugated protein, carries O2 and CO2 |
Created by:
katieappleton
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