electron transport and oxidative phosphorylation practice problems

Electron transport and oxidative phosphorylation practice problems

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Electron Transport and Oxidative Phosphorylation Practice Problems Reading Chapter 18 End of the chapter questions 1(a - d), 4, 5, 8, 14, 15, and 22 Then try these: 1. Explain the difference between oxidative phosphorylation and substrate-level phosphorylation. 2. A. Calculate the value of Δ E’ 0 for the reaction (use the standard reduction potentials from the table in your book) Succinate + FAD -> Fumerate + FADH 2 B. What is the Δ G 0 ’ for the reaction above? 3. How does the transport of inorganic phosphate from the intermembrane space to the mitochondrial matrix affect the pH difference across the inner mitochondrial membrane? 4. Calculate the free energy change for translocating a proton out of the
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Unformatted text preview: mitochondrial matrix when pH matrix = 7.6, pH cytosol = 7.2, = 200 mV, and T = 37C. 5. Experiments with isolated mitochondria show that organic compounds are oxidized and O 2 is consumed only when ADP is included in the preparation. When the ADP supply runs out O 2 consumption is stopped. How can you explain this data? 6. How many ATP are synthesized by oxidative phosphorylation from each NADH produced during aerobic glycolysis in muscle cells. Explain. 7. How many ATP are generated from the complete oxidation of glucose in liver? In muscle? Why are these numbers different?...
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Electron transport and oxidative phosphorylation practice problems

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