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Biology coursework - Polly Skeats-Beswick 3 February 2002 THE EFFECT OF TEMPERATURE ON ENZYMES Enzymes are catalysts that speed up chemical reactions. They work on substances called substrates. The reaction takes place on a part of the surface of the enzyme called the active site. This how the enzyme works: Aim: To find out what effect different temperatures have on enzymes. To do this, I have planned an experiment with trypsin (which contains enzymes) to see how it breaks down substrates (such as the ones found on photographic film), at a variety of different temperatures. Plan: I am going to: * Design and set up an experiment that will effectively monitor the results * Measure and evaluate the results, using graphs * To help me predict what will happen, I am going to read books and gather research into the subject of enzymes e.g. in the digestive system and washing powder Safety Enzymes are irritants, therefore I will have...

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