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Introduction In this experiment, I will be studying the activity of the enzyme catalase. Catalase breaks down of Hydrogen peroxide H2O2 into water H2O and oxygen O2. catalase 2H2O2 2H2O + O2 catalase Hydrogen peroxide water + oxygen Enzymes are biological catalysts. They are made up of protein. They will only act upon one substance, is substrate. Enzymes only work at their optimum in a specific environment. There are many different factors in …

…my results as many times as I could in the period of time available. I already know that pH 7 is the optimum I would not have such a large range of pH’s I would have a smaller range from pH 5-9. I would expand the experiment by using different enzymes and their substrates to see if there is any relationship with the substrate and the environment in which the enzyme works at an optimum.