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To Investigate the Effect of Substrate Concentration On Yeast Respiration
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- Words:
- 751
- Submitted:
- Thu Jul 11 2002
... TO INVESTIGATE THE EFFECT OF SUBSTRATE CONCENTRATION ON YEAST RESPIRATION This is an experiment to examine how the concentration of the substrate Glucose affects the rate of reaction of the enzyme Yeast. Hypothesis The rate of yeast respiration will increase as the concentration of glucose increases. This is because the active sites of the enzymes in the yeast have fewer substrate molecules to bind with to form an enzyme-substrate complex. Outline Yeast will be suspended in glucose solutions of different concentration in different test tubes. The carbon dioxide produced by respiration of the yeast will be bubbled through the glucose solution and the volume of CO2 produced, used as a measure of the rate of respiration against a given time. A graph will be plotted of the different concentrations against the time taken. The gradient of the graph will determine the rate of respiration. Background Information Yeast is a fungi Formula Yeast is
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