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Effects of Activators and Ethanol on Fermentation Rates

In this lab we examined how the rate of fermentation is influenced by the type
of substrate, and activators and inhibitors. We used four fermentation tubes in
which we separately combined yeast with MgSO4, pyruvate, ethanol, and glucose.
At five minute intervals we recorded the volume of gas produced in each
fermentation tube. Our results are displayed in the graph. Our results
supported the prediction that pyruvate is an activator of fermentation. But our
results did not support the prediction that MgSO4 is an activator of
fermentation. This could be due to experimental errors, such as the fermentation
tube not being clean, or the glucose being added at a different time. Our
results indicated that as fermentation proceeded and ethanol concentration rose,
the rate of fermentation slowed down. From five to ten minutes there was a sharp
increase in fermentation, then as the ethanol concentration rose, it started...

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Title: Effects Of Activators And Ethanol On Fermentation Rates
Approximate word count: 706
Approximate pages: 3 (250 words per double-spaced page)

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1. Effects Of Activators And Ethanol On Fermentation Rates
   

   Effects of Activators and Ethanol on Fermentation Rates. Effects of Activators
   and Ethanol on Fermentation Rates In this lab we examined ...