Properties of Enzymes:
{"Image DocumentName": "Properties of Enzymes:", "Image ImageDescription": "Enzymes are specific i.e. each enzyme will catalyse only one particular reaction, for example, sucrASE acts on the sugar, sucrOSE. Enzymes are very efficient and have a high TURNOVER NUMBER. This means that they can convert many molecules of substrate per unit time, for example, catalase, which breaks down the waste product hydrogen peroxide in the body, has a turnover number of several million! Chemical reactions need energy to start them off and this is called ACTIVATION ENERGY. This energy is needed to break the existing chemical bonds inside molecules. In the body enzymes lower the activation energy of a reaction and so reduce the input of energy needed and allow reactions to take place at lower temperatures.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}