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    I'm doing my coursework at the minute based on the breakdown of hydrogen peroxide by catalase by altering the h202 concentration and measuring the amount of 02 produced in 1 minute.

    I'm writing down the interpretation of results part now and I have to write a conclusion. The amount of oxygen increases as the h202 concentration is increased as expected. but when it comes to the conclusion all I can write down is that the amount of substrate increases due to which the rate of reaction increases as the amount of h202 is increased. Is there anything else I'm supposed to mention which I cant think of? Please help.
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    Going by my Bio coursework from last year, making generalised statements about the patterns aren't enough to get you decent marks. I'm assuming you've done a graph? Use specific examples and numbers from your results to explain what was happening at each point in the graph. Maybe work out some gradients/rates of reaction as well. Then say if the results matched up to your original prediction and use scientific detail to explain what was happening and why.

    Leave anomalies / improvements / extentions to the evaluation.

    I'll PM you my conclusion, if you want.
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    Does the graph plateau? If so have you worked out the maximum possible rate of reaction of the enzyme? Talk about what's happening. For example what's happening with the enzyme, why does the rate of reaction gradually get slower and why does it plateau?
 
 
 
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