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I want to find out if the concentration of the Hydrogen Peroxide affects the speed at which the potato gives off gas.  

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Catalase Investigation Aim: * I want to find out if the concentration of the Hydrogen Peroxide affects the speed at which the potato gives off gas. Planning Enzymes like catalase are protein molecules that are found in living cells. They are used to speed up reactions within the cell, and so are biological catalysts. Catalysts speed up reactions but they are not changed during the reaction. Enzymes only work on one specific type of substrate that means that there is only one kind of substrate that will fit into the enzyme's active site. Most enzymes optimum working temperature is 37°C (body temperature). Catalase is found in food such as potato that I will be using in my experiment. They are all very specific as each enzyme is used for different jobs. Catalase is used for removing Hydrogen Peroxide from the cells. Catalase is used to speed up the decomposition of the Hydrogen peroxide into...

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