Lecture10_8 - Main Points The first three parts of...

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2/3/11 Main Points The first three parts of respiration Glycolysis Making Acetyl-CoA The citric acid cycle
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2/3/11 Figure 2-69 Molecular Biology of the Cell (© Garland Science 2008)
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2/3/11 Oxidation of Carbon O = C = O O – C = O H H O – C – O H H O – C – H H H – C – H H 1 2 3 4 Less stable More free energy More stable Less free energy
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2/3/11 An Overview of Respiration C6H12O6 + 6 O2 6 CO2 + 6 H2O + Energy The free energy of the reaction above is -686 kcal/ mol. ATP synthesis requires 7 kcal/mol. How many ATP can be made from one glucose molecule? a. 1 b. 120 c. 98 d. 36
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2/3/11 An Overview of Respiration C6H12O6 + 6 O2 6 CO2 + 6 H2O + Energy 1. What happens to the carbon? 2. Movement of electrons (redox) 3. Synthesis of ATP 4. Regulation of enzymatic reactions 5. Storing energy in gradients
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2/3/11 Three phases of respiration Fig. 9-6-3 Mitochondri on Substrate-level phosphorylatio n AT P Cytos ol Glucos e Pyruvat e Glycolysi s Electron s carried via NADH Substrate-level phosphorylatio n AT P Electrons carried via NADH and FADH2 Oxidative phosphorylatio n AT P Citri c acid cycl e Oxidative phosphorylation: electron transport and chemiosmosis The Four Phases of Respiration 1 2 3 4
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Glycolysis What goes in? Glucose + 2
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Lecture10_8 - Main Points The first three parts of...

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