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Sana Javed T11EP Biology Coursework How does temperature effect the rate of enzymes? Aim I am going to investigate the effect of temperature on enzymes, using a potato as a catalyst. The potato contains the catalyst CATALASE. An enzyme is a protein molecule that speeds up chemical reactions in all living things. Without enzymes, these reactions would occur too slowly or not at all, and no life would be possible. They are reusable. Basically they are like biological catalysts. Enzymes are classified into several categories, such as hydrolytic, oxidising, and reducing, depending on the type of reaction they control. Hydrolytic enzymes speed up reactions in which a substance is broken down into simpler compounds through reaction with water molecules. Oxidising enzymes, known as oxidises, speed up oxidation reactions; reducing enzymes speed up reduction reactions, in which oxygen is removed. Catalase is present in the peroxisomes of nearly all-aerobic cells. Peroxisomes break...

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