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The Rate of Decomposition of Hydrogen Peroxide with Catalase -PLANNING- Introduction Catalase is a biological catalyst or enzyme. It is made up of protein molecules which are found in living cells. Enzymes speed up reactions in the body. Catalase is found in potatoes and liver and is the enzyme used to speed up the decomposition of Hydrogen Peroxide in the human body. Hydrogen Peroxide is also found in the human body however it is toxic to human cells, lipids, DNA and protein. It is a bi-product of metabolism. Examples of the reaction which produce Hydrogen Peroxide are amino acids being converted into fuel and lipids being converted into carbohydrates. Hydrogen Peroxide decomposes naturally, but slowly. The products of this are Water and Oxygen. The chemical formula for Hydrogen Peroxide is H2O2. An enzyme works if it has the same shape active site as that of the substance it is reacting with (substrate). The reaction...

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