Exercise Quizzes (See related pages) 1 Define cellular respiration. 2 List three ways that organisms use ATP to do work. 3 What is the difference between an aerobe and an anaerobe? 4 Fill in the missing molecules in the summary equation for aerobic respiration. C6H12O6 + O2 → ________ + 6H2O + ________ + heat 5 Both glycolysis and the Krebs cycle occur in mitochondria. A) True B) False 6 Glycolysis is a metabolic pathway that converts ________. A) pyruvate into carbon dioxide B) glucose into pyruvate C) pyruvate into carbon dioxide and ethanol or into lactic D) pyruvate into glucose 7 Fermentation is ________. A) pyruvate into carbon dioxide B) glucose into pyruvate C) pyruvate into carbon dioxide and ethanol or into lactic D) pyruvate into glucose 8 The Krebs cycle is ________. A) pyruvate into carbon dioxide B) glucose into pyruvate C) pyruvate into carbon dioxide and ethanol or into lactic D) pyruvate into glucose 9 The ________ generates a proton gradient from energy stored in reduced NAD and related compounds to form ATP. 10 How does fermentation differ in plants and animals? 11 Oxygen is the final electron acceptor in the electron transport chain. A) True B) False 12 Anaerobic fermentation produces more ATP per glucose molecule than aerobic respiration. A) True B) False 13 In the experiment investigating CO2 production during anaerobic fermentation: A. What organism will you be using? B. What variable you will be measuring? 14 In the experiment investigating oxygen consumption during aerobic respiration: A. What is respiring? B. What is the function of the KOH? 15 In the experiment investigating CO2 production during aerobic respiration: A. What is the function of the phenolphthalein? B. What is the function of the NaOH? 16 In the experiment in which you will determine metabolic rates, what is used to measure O2 production? A) manometer B) spectrometer C) spirometer D) micrometer 17 Making wine and kimchee both involve the anaerobic fermentation of sugars. How do their products differ? 18 How does pickling preserve food?
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