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Effects of Copper Sulphate on the Activity of Catalase Introduction Enzymes are biological catalysts and their contribution to our existence is pivotal. Without them, human and animal digestion may take days. Enzymes therefore, help catalyse reactions at an increased metabolic rate. Each type of enzyme would normally act upon only one type of substrate molecule. This is due to the specific shape of the active site. Sometimes, enzyme activity is disrupted not because of temperature or other environmental factor but by alien molecules, which attach themselves to the enzyme molecules just as easily as the intended substrate. This is called inhibition. Aim I will be testing the effects of Copper Sulphate (inhibitor) on a reaction between catalase and hydrogen peroxide. I predict that the greater the concentration of the copper sulphate, the slower the reaction. Reactions will be measured at the rate of which oxygen is released from the H2O2. I will use...

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