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Reaction Time in Liver with

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Jasmine Gordon

on 2 October 2015

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Transcript of Reaction Time in Liver with

Reaction Time in Liver with
Varied pHs

Data Analysis:
pH 5 7 11

Trial 1 .00.28 .00.46 .00.40

Trial 2 .00.41 .00.48 .00.43
Conclusion and SOE
In conclusion, the reaction time varied, but ultimately the time was slowest at a pH of 7. Our hypothesis was incorrect most likely due to our reasoning. The liver, which resides in a mammal, would most likely have an optimal pH that is a bit different than a human body's optimal pH.We didn't think of that difference A common source of error was the timing, it was difficult to get a fully accurate start and stop time. It was also difficult to get the hole punched paper with liver flat at the bottom to measure it going up.
Question and Hypothesis
Question: In which pH does the catalase in the liver react the fastest in an enzyme reaction?

Hypothesis: If the pH is 7, then the reaction time will be the fastest because pH in the body typically reacts the fastest at a pH of 7-9 due to optic pH.

Independent Variable: pH level
Dependent Variable: Reaction Time
Constant: 0.75% H2O2
Control: H2O2 at a pH of 7
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