Lipids 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryA2/A-levelAQA Created by: Mary_07Created on: 08-11-17 11:17 What are the 2 groups of lipids? Triglycerides and phospholipids 1 of 6 What is the structure of a triglyceride? One glycerol and 3 fatty acids. 2 of 6 What is a saturated fatty acid? Contains single bonds between the carbon atoms in the hydrocarbon chain. 3 of 6 What is a unsaturated fatty acid? Contains double bonds between the carbon atoms in the hydrocarbon chain. 4 of 6 What is the structure of a phospholipid? 1 glycerol, 2 fatty acids and 1 phosphate. 5 of 6 What is the biochemical food test for lipids? 1.Crush sample. 2. Add to ethanol. 3. Shake 4. Add water 5.If a lipid is present, a milky white precipitate is obtained 6 of 6
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