UnitIV_Cell_Res_Lab_Report_Stu.docx - Cellular Respiration Lab Report General Concepts 1 What are the commercial products produced by fermentation or

UnitIV_Cell_Res_Lab_Report_Stu.docx - Cellular Respiration...

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Cellular Respiration Lab Report General Concepts 1. What are the commercial products produced by fermentation or anaerobic respiration? List at least two. 2. What is the purpose of respiration? 3. What are the differences between anaerobic and aerobic respiration? 4. Why do disaccharides produce more CO 2 than monosaccharides? Experiment-Specific Questions Digestion of Individual Sugars by Yeast Cells 1. For each of the sugars fermented by yeast, fill in the chart below to determine CO 2 production. Results Table Sugar Initial Gas Volume t=0 minutes (mL) Final Gas Volume t=5 minutes (mL) Volume of CO 2 produced Final – Initial (mL) Glucose 0.1 18.1 18 Fructose 0.0 6.3 6.3 Maltose 0.0 21 21 Maltotriose 0.0 4.5 4.5 1. Ethanol. 2. Alcohol. The purpose of respiration is to break down complex molecules into simpler molecules and then storing the chemical energy released in molecules of adenosine triphosphate (ATP) The difference is that in aerobic respiration, oxygen is required so that aerobic respiration can take place but in anaerobic respiration, oxygen is not required.
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