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Factors that Affect the Rate of Yeast of Activity
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| Submitted: Thu Jul 11 2002
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Factors that Affect the Rate of Yeast of Activity Aim: We are going to investigate the factors that affect the rate of yeast activity. Plan: we are going to have three sets of experiments, with five experiments in each. The first five experiments will be investigating the effects if temperature is altered. In this experiment the yeast and substrate (glucose) will stay constant in all five beakers. The five beakers will be filled with 50ml of water, with the same amount of yeast. We will then add the substrate. The amount of glucose will be 2 molar, which is equal to 19.8g. I worked this out by the following calculations; Mr 198.17 Molecular mass of glucose 198.17 - X 20ml = 3.9g = 1 molar 1000 3.9 x 2 = 7.9g › 20ml, 2 molar My five different temperatures will be 0ºc, room temperature, 30ºc, 40ºc and 50ºc. The first five experiments will be used to see the...
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