Fermentation Lab Analysis.docx

Fermentation Lab Analysis.docx - Noronha 1 Michelle Noronha...

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Noronha 1 Michelle Noronha Biology Pre-AP- 3 rd Period 2/12/2015 Fermentation Lab Analysis Problem: In which sugar solution (4mL of 5% glucose, 5% of lactose and 5% of sucrose) would 4 mL of yeast have the highest rate of fermentation by measuring carbon dioxide production for 3 minutes? Hypothesis: If each sugar solution (4mL of 5% glucose, 5% of sucrose and 5% lactose) is combined with 4mL of yeast for 3 minutes to determine the highest rate of fermentation by carbon dioxide production, then 4mL of glucose combined with 4mL of yeast will have the highest rate of fermentation because fermentation has to occur with a simple sugar such as glucose and since you need to break down the disaccharide, sucrose, so it will take more time for them to ferment and lactose is not able to break down into glucose so it will be harder for it to ferment. Background Information: Fermentation is part of a process known as cellular respiration. Cellular respiration is the process which a living cell takes up glucose and 6 molecules of oxygen to produce 36 ATP molecules, 6 molecules of carbon dioxide or CO 2 , and 6 molecules of water. Cellular respiration starts off with glycolysis, and in that is fermentation, then Kreb’s Cycle and then finishes off with electron transport. Cellular respiration broken down into two processes which are anaerobic cellular respiration and aerobic cellular respiration. Anaerobic cellular respiration is the cell performing the processes it needs to
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