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General Biology 1BIO 112Exercise 11: Respiration: aerobic and anaerobic oxidation of organic moleculesCellular respiration involves __________________ of organic molecules and a release of __________________ . Some of this energy is stored in the chemical bonds of _______________________________ which is later used as a source of __________________ for cellular metabolism. In most cells respiration begins with the oxidation of glucose to pyruvate via a set of reactions called __________________ . The next 2 stages of aerobic respiration are the __________________ __________________ and the __________________ __________________ __________________ .Write out the summary equation for aerobic respiration.Write out both of the summary equations for anaerobic respiration (Ethanol and lactic acid).Production of CO2 during anaerobic respirationProcedure 11.1 Anaerobic respirationQuestion 1:Which fermentation tube produced the most carbon dioxide?1Which produced the least?Why?Exercise 11: Respiration cont.Oxygen Consumption during Aerobic RespirationProcedure 11.2 Aerobic respirationQuestion 2:What physical principle was involved in the operation of the manometer?What specifically did the movement of fluid in the manometer measure?What was the purpose of adding the KOH to the respirometer?How does temperature affect the rate of respiration?Production of CO2 during Aerobic RespirationProcedure 11.3 Aerobic respirationQuestion 3:What happens to the pH of water when it absorbs carbon dioxide?What is the function of phenophtalein?2Why was the E lodea beaker covered?Explain the principle of titration.Exercise 11: Respiration cont.Demonstration: Determination of Metabolic RateProcedure 11.4 Metabolic RateQuestion 4:Determine the metabolic rate of the small mammal used in the demonstration.Questions for Further Thought1) What is the difference between respiration and breathing (ventilation)?32) What role does cellular respiration play in the metabolism of an


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DMACC BIO 112 - Course Information

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