Enzyme Key Words 4.0 / 5 based on 2 ratings ? BiologyBiological molecules, organic chemistry and biochemistryASOCR Created by: ChloeLawrenceCreated on: 08-03-13 10:56 A protein molecule that acts as a biological catalyst enzyme 1 of 27 The overall three-dimensional shape of a protein molecule tertiary structure 2 of 27 All the chemical reactions that take place in the cell of an organism metabolism 3 of 27 A type of relatively spherical protein that is soluble in water globular 4 of 27 The sequence of amino acids found in a protein molecule primary structure 5 of 27 A monomer of protein molecules, that contains both an animo group and a carboxyl group amino acid 6 of 27 A polymer consisting of many amino acids covalently bonded together protein 7 of 27 The coiling or folding parts of a protein molecule due to the formation of hydrogen bonds formed as the protein is synthesised seconday structure 8 of 27 Water-repelling (water-hating) hydrophobic 9 of 27 Associating with water molecules easily (water-loving) hydrophilic 10 of 27 A substance that increases the rate of reaction but does not take part in the reaction, so is re-usable catalyst 11 of 27 The substance that is used up in an enzyme-controlled reaction leading to the formation of a product (fits into the active site of the enzyme) substrate 12 of 27 The area on an enzyme molecule to which the substrate binds active site 13 of 27 The covalent bond formed when carbohydrate molecules are joined together in condensation reactions glycosidic 14 of 27 The bond formed when fatty acid molecules are joined to glycerol molecules in condensation reactions ester 15 of 27 The covalent bond formed when amino acids are joined together in condensation reactions peptide 16 of 27 A small molecule that is one of the units bonded together to form a polymer monomer 17 of 27 All the chemical reactions that take place in the cells of an organism metabolism 18 of 27 A large molecule made up of many monomers covalently bonded together polymer 19 of 27 Enzyme digestion that works outside the cell extracellular 20 of 27 Enzyme digestion that works inside the cell intracellular 21 of 27 Conditions are said to be ___________ when the fastest rate of enzyme-controlled reactions is achieved optimum 22 of 27 The theory of enzyme action in which the enzyme active site is complementary to the substrate molecule lock and key 23 of 27 A variable that limits the rate of reaction limiting factor 24 of 27 The theory of enzyme action in which the enzyme molecule changes shape to fit the substrate molecule more closely induced fit 25 of 27 A substance that reduces the rate of reaction by binding to an enzyme's active site competitive inhibitor 26 of 27 A molecule or ion that helps an enzyme to work (chloride ions needed for amylase to function) cofactor 27 of 27
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