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The Effect of Temperature on Respiration in Yeast
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| Submitted: Thu Jul 11 2002
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The Effect of Temperature on Respiration in Yeast Aim: The aim of the experiment is to investigate respiration in yeast and the way in which varying the temperature can affect the rate of reaction. Relevant Information: For the purpose of this experiment we are looking at anaerobic respiration in yeast. This can be summarised as: Sugar Ethanol + Carbon Dioxide + Energy C6 H12 O6 2C2 H5 OH + 2CO2 + 2ATP Prediction: My prediction is based on the preliminary experiment that we did and is that there will be an optimum temperature of about 40°C. This is because above this temperature the enzyme produced by the yeast will be de-natured and will not be able to break down the sugar as effectively. Below this temperature the enzyme isn't as hot as it needs to be to work at its optimum speed. Diagram: Method: 1) We will use a fixed amount of each of the yeast and substrate that will...
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