The ATP made during glycolysis is generated by O substrate-level phosphorylation O oxidation of NADH to NAD+ O electron transport Ochemiosmosis photophosphorylation
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- 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+.)The glucose that enters the glycolysis pathway is split into two molecules of _____. a. ATP b. phosphate c. NADH d. pyruvateC000 C000 NADH NAD -NADH NAD* oco, NAD Oco,- FADH NADH FAD ATP ADP+,P Select the conclusion that would most accurately explain the impact on the Krebs Cycle if glycolysi were to slow down its rate of reaction. ATP production would increase since glycolysis would be using less ATP. The Krebs cycle production of FADH2 would increase. O The Krebs cycle would continue to function at a normal rate. O The Krebs cycle production of NADH would decrease.
- Electrons carried via NADH Electrons carried via NADH and FADH ELECTRON TRANSPORT CHAIN AND OXIDATIVE PHOSPHORYLATION GLYCOLYSIS Glucose Pyruvate KREBS CYCLE Cytosol Mitochondrion ATF ynthase ATP ATP ATP Substrate-level phosphorylation Substrate-level phosphorylation Oxidative phosphorylation Copyng C Pearson Eaucaton e p ng RL Elergamen Cummmgs Figure 5. The Process of Cellular Respiration Explain the major events of the celluar respiration based on the given diagram.In the conversion of G3P into pyruvate at the end of glycolysis, which of the following does NOT occur? electron carriers are reduced inorganic phosphate is added to the carbon structure substrate level phosphorylation resulting in ADP à ATP carbon is released as CO2A cell is grown on minimal media containing only 3-phosphoglyceric acid as a source of carbon and energy. What is the most likely place this compound would enter the metabolic cycle? O Glycolysis O Conversion of Pyruvate to Acetyl-CoA O The TCA Cycle The Electron Transport Chain
- ATP NAD+ FADH2 Coenzyme A ATP synthase oxidizing agent in metabolism enzyme "motor" located on the inner membrane of mitochondrial works with CoQ10 in oxidative phosphorylation shuttles electrons in the e- transport chain provides energy to drive an endergonic reaction forward shuttles two-carbon units (acetyl groups) reducing agent in metabolism turns pyruvate to lactate in anaerobic conditionsPlace the cellular respiration pathways in their correct locations. Oxidative Breakdown of pyruvate Glycolysis Citric acid cycle phosphorylafion Outer mhochondrial membrane Cysel 2 pnate Mitochendrial Inner miochondial membrane 2 LAD 2ADE 2 pte AD 2AOH acetyl 2CO, + 2 acetyl and FADH, via the ectron transport chain genetes an H aradiest that is sod o mute mone ATP via the ATP syathase. O, is consumed to 4 CO 2 acetyl +2 ATP +2 ATP +30-34 ATP Via substratelewl phosphorylaion Va substrate-Ievel phosphorylation Via chemioumosisWhat is the process that sustains the redox balance of glycolysis under aerobic conditions? transport of lactate from the cell regeneration of NAD* in the citric acid cycle formation of NADH in the reaction of glyceraldehyde 3-phosphate dehydrogenase regeneration of NAD* in fermentation processes regeneration of NAD* in the mitochondrial electron-transport chain
- All of the following are involved in oxidative phosphorylation except: proton motive force NADH Cytochromes Acetyl co-enzyme A ATP synthaseIn which step of glycolysis does each of the following occurs? second substrate-level phosphorylation reaction first ATP-consuming reaction third isomerization reaction use of NAD+ as an OAA poison that prevents the transfer of electrons from the last [Fe-S] cluster of Complex I to coenzyme Q is added to a suspension of actively respiring mitochondria. Which of the following will be observed? ATP production would be impaired due to the uncoupling of oxidative phosphorylation from electron transport. ATP production would be reduced due to inhibition of the CoQ subunit of ATP synthase. ATP production would be reduced due to a decrease in the number of protons pumped out of the mitochondrial matrix. ATP production would be halted completely due to the block in electron transport through the electron transport chain.
