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My aim is to discover how temperature effects the production of oxygen from yeast and hydrogen peroxide. I will mix yeast with hydrogen peroxide and use an upturned measuring cylinder to measure how much oxygen is produced.
Member rating: No Rating | Words: | Submitted: Tue Aug 26 2003
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Planning Aim My aim is to discover how temperature effects the production of oxygen from yeast and hydrogen peroxide. I will mix yeast with hydrogen peroxide and use an upturned measuring cylinder to measure how much oxygen is produced. To find out how much hydrogen peroxide and yeast I will use, I will carry out pre-tests. This will also aid accuracy of the final experiment by uncovering potential flaws in the method. Hypothesis and Theory There are many ideas to suggest that the change in temperature will cause an increase of respiration in yeast. Yeast is a single cell fungus made up mostly of protein, which has been use for its applications in fermentation. Yeast, after activation creates the ferments carbon dioxide and ethyl alcohol by secreting the enzyme zymase (a complex of 12 enzymes) in the yeast, which acts on simple sugars such as glucose. The alcohol produced has been used in...
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