Topic 1.2 4.0 / 5 based on 1 rating ? BiologyBiological moleculesASEdexcel Created by: emx99Created on: 06-01-16 21:19 What is hydrolysis? A reaction in which bonds are broken by the addition of a molecule of water 1 of 10 What is the purpose of phospholipids in the cell surface membrane? They create the membrane by being arranged in a bilayer with hyrophylic phosphate heads and hydrophiboc lipid tails 2 of 10 Describe the structure of an amino acid An amino group, a carboxyl group, a carbon atom and an R group 3 of 10 What is a saturated fatty acid? One where each carbon atom is joined to the next one in the chain by a single covalent bond 4 of 10 What is a primary structure? The sequence of amino acids that make a polypeptide chain joined by peptide bonds 5 of 10 Dissacharides can be split by Hydrolisis of glycosidic bonds 6 of 10 The role of starch is to Store energy in all living organisms 7 of 10 the three dimensional structure of a protein is held together by Disulfide bonds, hydrogen and ionic bonds 8 of 10 A triglyceride is made up of one glycerol molecule, 3 fatty acid molecules joined to it by ester bonds 9 of 10 Lipids are insoluble in water becuase they Are hydrophobic 10 of 10
Genetic information, variation and relationships between organisms AQA AS Biology PART 6 of 6 TOPICS: Investigating diversity 0.0 / 5
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