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I will find out which factors cause yeast cells to produce the most carbon dioxide.
Member rating: No Rating | Words: | Submitted: Thu Aug 21 2003
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Henal Rajendra Patel CENTRE NUMBER: 14625 CANDIDATE NUMBER: 0127 YEAST In the commercial production of bread, the more the bread dough rises the better the quality of bread. Yeast is used to make bread, because the carbon dioxide produced by yeast cells respiring helps to make the dough rise. TASK & AIM: I will find out which factors cause yeast cells to produce the most carbon dioxide. As a culture of yeast is merged with a solution of sugar, a reaction called Fermentation occurs. As products, ethanol and carbon dioxide are produced, in form of liquid and gas. The equation for this reaction is: Glucose ---- Yeast + Carbon Dioxide ( + Energy ) THE FACTORS, WHICH CAUSE YEAST CELLS TO PRODUCE THE MOST CARBON DIOXIDE:> Time> Concentration of sugar solution> Type of sugar> Temperature> Age of the yeast> Size of the yeast The factor chosen is the temperature, so the other factors are going...
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