An Investigation to Show the Effect of Changes in the Concentration of Hydrogen Peroxide Has On Enzyme Action

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An Investigation to Show the Effect of Changes in the Concentration of Hydrogen Peroxide Has On Enzyme Action

My Aim

My aim is to see if the concentration of hydrogen peroxide has any effect on the rate that the enzymes react. I will also measure the amount of oxygen bubbles given off and see if the concentration of the substrate (hydrogen peroxide) has any effect. Catalase (yeast) catalyses the breakdown of hydrogen peroxide into oxygen and water.

My Prediction

My prediction is that when the concentration of hydrogen peroxide increases, so will the amount of oxygen bubbles given off. This will occur because as the concentration increases there is then more of the hydrogen peroxide for the yeast to react with.

Equipment List

* Hydrogen Peroxide- 5, 10, 15 & 20% this will enable us to see if the difference in the strength of hydrogen peroxide has any effect on the rate of the reaction.

* Pipette- This will allow us to measure out accurately the correct amounts of hydrogen peroxide and water.

* Water- The water is to dissolve the yeast so we can get the