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Charlotte Walter Biology SL IB 17-12-2007 Investigating the rate of Enzyme Activity when Catalase is added in a hydrogen peroxide solution. Contents Contents 2 Research Question 3 Theory 3 Dependent and Independent Variables 4 Method - controlling the variables 4 Apparatus 4 Diagram 5 Method 5 Raw Data 6 Processed Data 7 Graphs 1.1 8 Graphs 1.2 9 Graphs 1.3 11 Observations, trends and patterns 12 Calculations 12 Improvements and Reliability 13 Evaluation 13 Compared Values 14 Conclusion 14 Research Question How does the solute concentration of Hydrogen Peroxide affect the enzyme rate of homogenized liver catalyze? Theory The Effect of Catalase1 Liver and other living tissues contain the enzyme catalase. As with all enzymes, catalase of homogenized liver is a protein, meaning that it is synthesized within the cell from building blocks called amino acids . In addition to the amino acids that make up the protein, catalase carries around a heme group. Mostly known as Hemoglobin. In the middle of the heme group sits an iron atom the catalase enzyme uses this iron atom to help it break the bonds in the two molecules of hydrogen peroxide, shifting the atoms around to release...

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