Cellular Respiration

Topics: Temperature, Cellular respiration, Pea, Oxygen, Carbon dioxide, Adenosine triphosphate / Pages: 4 (779 words) / Published: Feb 17th, 2014
Cellular Respiration

My hypothesis for the germinated pea experiment was that the level of aerobic respiration would increase as the temperature would increase. I also predicted that there would be an upper temperature limit. The experiment proved part of my hypothesis correct and part of it incorrect. I was correct in predicting that the rate would increase as the temperature increase, but I was incorrect in hypothesizing that there would be an upper limit. My hypothesis for the larvae experiment was that the level of aerobic respiration would increase as the temperature increased and there would be an upper temperature limit. My hypothesis was proved to be correct, for the rate of respiration continued to increase until the upper limit was hit and the rate started to decline. There were no unexpected results from our group, but I noticed that group six had some unexpected data in the class larvae table. The only explanation I can make out of it is that the group made a math error. I do not have any suggestions to make this experiment better. Other factors that can affect the rate of cellular respiration are amount of available nutrients, because this allows more energy to be produced from the cell with an increase in amount of nutrients. Another factor is the state of the cell, such as the difference between working and dormant cells or the difference between plant and animal cells. From our data, we noticed that the temperature had an effect on the germinated Pisum sativum seeds. As the temperature increased, the rate of cellular respiration was doubled. At 45 degrees, the rate still increased, but it just barely increased. In the Zophobus morio we noticed that the rate increased from 10 degrees to 20 degrees. It then began to decrease as we continued to raise the temperature of the water. We got a negative amount for the 45-degree test of the experiment. Respiration is related closely to enzyme activity because enzymes start the reactions that are

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