ENZYMES 0.0 / 5 ? BiologyEnzymes and digestionIGCSECIE Created by: otakugeek148Created on: 07-06-14 08:55 CATALYST A substance which speeds up the rate of reaction 1 of 10 ENZYME A biological catalyst 2 of 10 ACTIVATION ENERGY The energy needed for a chemical reaction to take place 3 of 10 ACTIVE SITE Special site in the structure of an exzye where the substrate binds 4 of 10 DENATURED When enzymes lose their shape - no longer bind to their substrate 5 of 10 OPTIMUM TEMPERTAURE The temperture which enzymes work best at 6 of 10 ANABOLIC REACTIONS Build up large molecules from smaller ones 7 of 10 CATABOLIC REACTIONS Break down large molecules into smaller ones 8 of 10 SUBSTRATES Molecules that react in the enzyme-catalysed reaction 9 of 10 CATALASE Enzyme which catalysts the breakdown of hydrogen peroxide 10 of 10
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