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The Effect Of Substrate Concentration On The Activity Of The Enzyme Catalase

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Length: 2003 words (5.7 double-spaced pages)
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The Effect Of Substrate Concentration On The Activity Of The Enzyme Catalase
A Level Biology Project

Aims

This is an experiment to examine how the concentration of the substrate hydrogen peroxide affects the rate of reaction of the enzyme catalase.

Introduction


This is a real A-level school project and as such is intended for educational or research purposes only. Extracts of this project must not be included in any projects that you submit for marking. Doing this could lead to being disqualified from all the subjects that you are taking. You have been warned. If you want more help with doing your biology practicals then have a look at 'Advanced Level Practical Work for Biology' by Sally Morgan. If you want more detailed biology information then I'd recommend the book 'Advanced Biology' by M. Kent.

Aims
Background Information
Aparatus
Method
Prediction
Results
Interpretation
Limitations
Anomolies
Extension Work
Background Information

Enzymes such as Catalase are protein molecules which are found in living cells. They are used to speed up specific rea...


... middle of paper ...


...mpensated for by the other experiments.

Using more concentrations of Hydrogen Peroxide would have produced a better looking graph and I would have liked to use concentrations higher than 20% to extend the graph so that the maximum possible rate of reaction could be reached.

The problem of the delay between pouring in the Hydrogen Peroxide, bunging the test tube and starting the stopwatch could have been limited by getting another person to start the stopwatch when the hydrogen peroxide was poured into the tube.

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