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Determine the effect of temperature upon respiration of Yeast.
Member rating: No Rating | Words: | Submitted: Tue Nov 09 2004
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Alice Sancier, 10F Group number: 2 Yeast Investigation PLAN Aim: To determine the effect of temperature upon respiration of Yeast. Prediction: I predict that the respiratory rate of the yeast will increase in speed as the temperature of the water increases. However, it may reach a peak, and slowly decline as the temperature increases further. My reason for the above prediction is that, anyone who has cooked, knows that yeast is supposed to respond in warm water, so I believe that the warmer the water, the more bubbles of COČ produced. Also, the oxygen produced in the initial stages of the experiment will allow the speed of reaction, of converting glucose to energy, to increase additionally. It will decrease once all the material has reacted, and/or because the temperature is too high for the yeast to respire as the heat has denatured the yeast's enzymes and they can no longer fit their substrate, and...
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