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Introduction:
This experiment will investigate the factors that affect the rate of reaction of the enzyme catalyse, an enzyme found in food such as potato and liver. Catalyse is used to remove hydrogen peroxide from cells. The enzyme speeds up the rate of decomposition of hydrogen peroxide into water and oxygen. The reaction is:

Catalyse is able to speed up the process because the enzyme lowers the activation energy of the reaction. This means that the free energy required for the reaction to take place is made smaller by the presence of catalyse. In fact, catalyse is a particularly reactive enzyme. Biological molecules are damaged greatly by free radicals which is effectively what peroxide is. For this reason living cells evolved highly effective enzymes to decompose peroxide into harmless byproducts.

Hypothesis:
Several factors influence the effect of enzymes including concentration, pH, temperature, and the material being consumed by the reaction, called the......

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Approximate Word Count: 552
Approximate Pages: 3 (250 words per double-spaced page)

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