Chap 9 Outline - Chapter 9 - Cellular Respiration:...

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Chapter 9 - Cellular Respiration: Harvesting Chemical Energy Objectives 1. Describe the overall summary equation for cellular respiration. 2. Distinguish between substrate-level phosphorylation and oxidative phosphorylation. 3. Define oxidation and reduction. 4. Define electron carrier and list those involved in respiration. 5. Name the stages of cellular respiration 6. Describe where glycolysis occurs in the cell, and what energy molecules are produced. 7. Describe where pyruvate is oxidized to acetyl CoA, what molecules are produced and how it links glycolysis to the Krebs cycle. 8. Describe the location, molecules in and molecules out for the Krebs cycle. 9. Describe the link between the electron transport chain and chemiosmosis. 10. Describe the process of chemiosmosis; include the electron transport chain, the proton pump and the role of ATP synthase. 11. Explain how membrane structure is related to membrane function in chemiosmosis. 12. Summarize the net ATP yield from the oxidation of a glucose molecule, included coenzyme production during the different stages of glycolysis and cellular respiration. 13. Describe the fate of pyruvate in the absence of oxygen. 14. Explain why fermentation is necessary. 15. Distinguish between aerobic and anaerobic metabolism. 16. Describe how food molecules other than glucose can be oxidized to make ATP. 17. Explain how ATP production is controlled by the cell and what role the allosteric enzyme, phosphofructokinase, plays in this process. Key Words acetyl CoA aerobic respiration alcohol fermentation anabolic pathway anaerobic respiration ATP synthase beta oxidation catabolic pathway cellular respiration chemiosmosis citric acid cycle electron transport chain facultative anaerobe fermentation glycolysis lactic acid fermentation nicotinamide adenine dinucleotide (NAD+/NADH) obligate anaerobe oxidation oxidative phosphorylation oxidizing agent proton-motive force reducing agent reduction substrate-level phosphorylation Outline A. Introduction 1. As open systems all cells require outside sources of energy to perform work. 2. Organic molecules (fats, proteins and carbohydrates) are used by organisms as an energy source for use as building materials for repair and growth. 3. The energy can be released from it source by fermentation (without O 2 ) or by aerobic cellular respiration (uses O 2 ) or anaerobic cellular respiration (uses another element not oxygen). The energy is in the form of ATP. 4.
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Chap 9 Outline - Chapter 9 - Cellular Respiration:...

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