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An investigation into the effects of substrate concentration on an enzyme reaction between catalase (potatoes) and hydrogen peroxide.  

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An investigation into the effects of substrate concentration on an enzyme reaction between catalase (potatoes) and hydrogen peroxide. Prediction. I predict that if you increase the concentration of Hydrogen Peroxide, the speed of reaction will also increase but the rate of reaction will always slow the longer the reaction takes place. Background knowledge Enzymes speed up reactions but are not used up in the reaction so they can be used more than once. Enzymes are a biological catalyst made of protein molecules, all living organisms have, and need enzymes to live without them chemical reactions in the organism would take to long and the organism would die all enzymes are affected greatly by theses two conditions temperature and the Ph level, at low levels the enzyme works slow, this is because there would be less energy at a cold temperature so as the molecules are moving slower the number of collisions in a set...

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