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Q: Consider the fate of pyruvate labeled with 14C in each of the following positions: carbon 1…
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A:
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Calculate production of NADH, FADH, and GTP molecul in complete oxidation of
ten molecules of glucose by citric acid cycle
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Solved in 2 steps
- The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If noncyclic photosynthetic electron transport leads to the translocation of 7 H+/2e- and cyclic photosynthetic electron transport leads to the translocation of 2 H+/e-, what is the relative photosynthetic efficiency of ATP synthesis (expressed as the number of photons absorbed per ATP synthesized) for noncyclic versus cyclic photophosphorylation? (Assume that the CF1CF0-ATP synthase yields 3 ATP/14 H+.)Ethanol as a Source of Metabolic Energy (Integrates with Chapters 19 and 20.) Acetate produced in ethanol metabolism can be transformed into acetyl-COA by the acetyl thiokinase reaction: Acetate+ATP+CoASHacetyleCoA+AMP+PPiAcetyle-CoA then can enter the citric acid cycle and undergo oxidation to 2 CO2by this route, assuming oxidative phosphorylation is part of the process? (Assume all reactions prior to acetyl-CoA entering the citric acid cycle occur outside the mitochondrion). Per carbon atom, which is a better metabolic fuel, ethanol or glucose? That is, how many ATP equivalents per carbon atom are generated by combustion of glucose versus ethanol to CO2?Using the answer code on the right, indicate which form of energy production is being described: 1. takes place in the mitochondrial matrix 2. produces H2O as a by-product 3. results in a rich yield of ATP 4. takes place in the cytosol 5. processes acetyl-CoA 6. takes place in the mitochondrial innermembrane cristae 7. converts glucose into two pyruvate molecules 8. uses molecular oxygen 9. accomplished by the electron transport system and ATP synthase (a) glycolysis (b) citric acid cycle (c) oxidative phosphorylation
- Consider a mutant hepatocyte cell in which the Q-cycle was not used and teh two electrons from ubiquinone both went sequentially directly to cytochrome c. What would be the total ATP yeild for oxidation of a molecule of glucose this mutant? ATPThe Citric Acid Cycle results in (Choose all that apply) net oxidation of acetyl CoA carbons to two CO2 O three NAD to NADH reductions involving 6 electrons one FADH2 to FAD oxidation involving 2 electrons three NADH to NAD oxidations involving 6 electrons O one FAD to FADH, reduction involving 2 electrons O a substrate level phosphorylationAssuming the NADH used the glycerol 3-phosphate shuttle 50% of the time, how much NADH would be sent to the electron transport chain once 7 molecules of glucose pass through Glycolysis to the end of the Citric Acid Cycle? Show work (no more information available)
- Each acetyl CoA that enters in the citric acid cycle, 2 carbon dioxide molecules are released in reactions which are coupled with the production of NADH molecules from reduction of NAD+ molecules and FADH2 is alse released by reduction of FAD+. NADH and FADH2, pass their electrons to the electron transport chain, turning back into NAD+ and FAD+ Explain furtherSuggest a reason why glycolysis produces NADH and thepentose phosphate pathway produces NADPH.How many total moles of ATP are created in a cell with an ATP synthase with 8 c subunits for every 28 moles of glucose that is completely oxidized in glycolysis and the Krebs cycle? Assume that NADH is transported by the malate aspartate shuttle.
- For 30 moles of glucose that is completely oxidized in the glycolysis down to the Krebs cycle, what is the total moles of ATP produced in a cell with an ATP synthase possessing 8 c subunits? Assume that the malate aspartate shuttle is used for NADH transport.Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose? 6 substrate level phosphorylation events 4 substrate level phosphorylation events 3 substrate level phosphorylation events 2 substrate level phosphorylation events None of the above answers are correctin the mitochondria pyruvate is converted into acetyl CoA so then acetyl CoA make its way to the TCA cycle and produces energy sources for oxidative phosphorylation. Pyruvate oxidation transforms pyruvate, a three-carbon molecule, into acetyl, a two-carbon molecule linked to Coenzyme A, generating NADH and releasing one carbon dioxide molecule in process the citric acid cycle is fundamental because runs on acetyl CoA as its fuel. i need more explanantion
