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An Investigation into the Catalytic Action of the Enzyme Peroxidase
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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An Investigation into the Catalytic Action of the Enzyme Peroxidase The enzyme peroxidase acts as a catalyst for decomposing hydrogen peroxide into water and oxygen. The equation for this is: 2H2O2 (aq) -->2H2O (l) + O2 (g) For this investigation fresh liver extract is used as this contains the enzyme peroxidase. The liver extract will be reacted with hydrogen peroxide and the peroxidase will act as a catalyst to speed up the reaction, producing water and oxygen. The oxygen will be collected as a measure of the rate of the reaction. To find the rate of reaction I will measure the amount of O2 cm3 and divide that by the time taken for each amount of oxygen to be produced. APPARATUS I think that the following apparatus is going to be the most suitable and reliable for the investigation: Conical flask with rubber bung tub of water Syringe Glass tubing Measuring cylinder SAFETY It is critical for safety levels to be...
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