Discussion
Enzymes are biological catalysts that help speed chemical reactions. In part A (table 2), it was seen that a normal reaction of catalase and hydrogen peroxide resulted in the release of bubbles (oxygen gas) and the release of energy in the form of heat which shows that the reaction was a exothermic reaction. The reaction was given a reaction rate of four and acted as the control with which we could compare the other results to. When testing whether or not catalase is reusable in part B (table 3), the results show that it is reusable as it reacted more than once. This matches our hypothesis as the enzyme should remain unchanged after the reaction and be able to react again afterwards. However there was an experimental error as the …show more content…
As hypothesised for part C (table 4) of this experiment there was a reaction that occurred for each substance tested which indicated that they all contained catalase. The potato had the highest reaction rate which indicates it contained the highest amount of catalase while the chicken contained the second most and the apple contained the least. Catalase is involved with photorespiration which is a process that lowers the amount of water and light absorbed from making hydrogen peroxide which is why the potato contained a higher concentration of catalase. When looking at the effects of temperature on catalase it can be seen, as stated in the hypothesis, that there is a change in reaction rate as the temperature changes. If the temperature gets too cold the enzyme would down and if the temperature is too high then it could denature the enzyme causing it to be unable to assist in reactions (fig. 6). In this part of the experiment there was an experimental error as the reaction rate should have been lower when there was a lower …show more content…
the Figure 7 graph of the rate of reaction vs. the temperature; as the temperature rises the reaction pH; as the temperature rises the
Enzymes are biological catalysts that help speed chemical reactions. In part A (table 2), it was seen that a normal reaction of catalase and hydrogen peroxide resulted in the release of bubbles (oxygen gas) and the release of energy in the form of heat which shows that the reaction was a exothermic reaction. The reaction was given a reaction rate of four and acted as the control with which we could compare the other results to. When testing whether or not catalase is reusable in part B (table 3), the results show that it is reusable as it reacted more than once. This matches our hypothesis as the enzyme should remain unchanged after the reaction and be able to react again afterwards. However there was an experimental error as the …show more content…
As hypothesised for part C (table 4) of this experiment there was a reaction that occurred for each substance tested which indicated that they all contained catalase. The potato had the highest reaction rate which indicates it contained the highest amount of catalase while the chicken contained the second most and the apple contained the least. Catalase is involved with photorespiration which is a process that lowers the amount of water and light absorbed from making hydrogen peroxide which is why the potato contained a higher concentration of catalase. When looking at the effects of temperature on catalase it can be seen, as stated in the hypothesis, that there is a change in reaction rate as the temperature changes. If the temperature gets too cold the enzyme would down and if the temperature is too high then it could denature the enzyme causing it to be unable to assist in reactions (fig. 6). In this part of the experiment there was an experimental error as the reaction rate should have been lower when there was a lower …show more content…
the Figure 7 graph of the rate of reaction vs. the temperature; as the temperature rises the reaction pH; as the temperature rises the