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Catabolic Reaction Experiment

1060 Words5 Pages

Introduction: What are enzymes? Chemical reactions that take place in living cells are known as metabolic reactions. There are two types of reactions: • Anabolic Reaction (Constructive) • Catabolic Reaction (Destructive) Substance that accelerate chemical reactions are known as catalysts. Enzymes are biological catalysts, because they accelerate chemical reactions that occur in cells. Activation energy is required to start a chemical reaction. Enzymes lower the activation energy needed for the reaction and cause the reaction to accelerate We buy the Hydrogen Peroxide solution form pharmacies and extract the catalysts from the potato. Filter paper has been dipped into the solution. The oxygen that has been produced from the reaction will form on …show more content…

What if the quantity of the materials are not available? 5. What will happen if the quality of the materials is poor? 6. What will happen if the temperatures are not right on the day we investigate the investigation? 7. Will the temperature effect the pH Scale? Hypothesis: The hypothesis of this experiment is that the rate of reaction will increases well as the hydrogen peroxide concentration. If the temperature, pH and enzyme concentration is kept constant then the rate of reaction will start to decrease as well as the hydrogen peroxide concentration. Aim: To investigate the effects of changing the concentration of the enzyme catalase that it has on the rate of breaking down the Hydrogen Peroxide solution. Dependant and Independent Variables: The Dependent Variables: Amount of time it takes when the bubbles start to rise till when they stop. The Independent Variable: Amount of Hydrogen Peroxide solution. The Controlled/ Fixed Variables are: • The amount of hydrogen peroxide inserted in each test tube. • The time taken by a stopwatch. • Amount of potato used for this observation. • The amount of hydrogen peroxide compressed into the syringe. • Kept at the same temperature. • The same size of the

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