Lipids 4.5 / 5 based on 2 ratings ? BiologyBiological molecules, organic chemistry and biochemistryA2/A-levelAQA Created by: georgiamckibbinCreated on: 31-12-17 13:56 What 3 elements do lipids contain? Carbon, Hydrogen, Oxygen 1 of 11 What is the most common type of lipid? Triglyceride 2 of 11 What are triglycerides made up of? 3 fatty acid chains and glycerol 3 of 11 What are fatty acid chains? chains of carbon atoms, the terminal one having an OOH group attached making a carboxylic group (COOH) 4 of 11 What reaction attaches fatty acid and glycerol? Condensation reaction because 3 water molecules are formed 5 of 11 What is the bond called between the fatty acid and glycerol? Ester Linkage 6 of 11 What makes a fatty acid saturated? If there are no CC double bonds 7 of 11 What makes a fatty acid unsaturated? If there are CC double bonds 8 of 11 What are functions of lipids? Storage, high energy store, production of metabolic water, thermal insulation, electrical insulation, waterproofing, hormone production, buoyancy 9 of 11 What is the test for lipids? Emulsion 10 of 11 What are phospholipids? A phosphate group and a fatty acid chain. A hydrophillic head and hydrophobic tail forms a phosopholipid bilayer 11 of 11
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