unit 1 definitions module 2 (VK) 0.0 / 5 ? ChemistryPolymersA2/A-levelOCR Created by: charlieCreated on: 04-01-15 22:23 peptide compound made of amino acids linked by peptide bonds 1 of 9 zwitterion dipolar ionic form of an amino acid formed by donation of hydrogen ion from carboxyl group to amino group, no overall charge 2 of 9 isoelectric point pH value at which amino acid exists as a zwitterion 3 of 9 condensation reaction two small molecules react together to form larger molecule with the elimination of small molecule such as water 4 of 9 stereoisomers species with same structural formula but different arrangement of atoms in space 5 of 9 chiral carbon carbon atom attached to 4 different atom(s) 6 of 9 optical isomers stereoisomers that are non-superimposable mirror images of each other 7 of 9 biodegradable polymer polymer that breaks down completely into carbon dioxide and water 8 of 9 degradable polymer polymer that breaks down into smaller fragment when exposed to light, heat or moisture 9 of 9
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