8In oxidative phosphorylation, a chemical agent that prevents the enzymatic activity of F1 woulddirectly [1], whereas a chemical agent that inhibits interaction of ubiquinone with Fe-S centreswould directly___[2].Select one:1 = Uncouple phosphorylation from electron transport; 2 = Inhibit ATP synthesisO b. 1 = Inhibit ATP synthesis; 2 = Uncouple phosphorylation from electron transportC. 1 = Inhibit electron transfer; 2 = Inhibit ATP synthesisd. 1 = Inhibit ATP synthesis; 2 = Inhibit electron transferOOOReport question issueNote

The correct answer is:c. 1 = Inhibit electron transfer; 2 = Inhibit ATP synthesis

Answered: In oxidative phosphorylation, a…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Focusing on the mechanism linking complex I and ATP synthase depicted in figure 3 in the article, compare that hypothetical mechanism to the classical presentation described in our textbook. What are the major differences between this mechanism and Peter Mitchel’s original chemiosmotic theory? What are the similarities.
Inhibitors of electron transport have been used to determine the order of electron carriers. What would be the expected redox states of cytochrome a, bi, and c when the following inhibitors are added to succinate-driven respiring mitochondria? (i) myxothiazol (ii) antimycin A (iii) rotenone
Which chemical equation represents the breakdown of organic carbon (into inorganic form) thattakes place during glycolysis, the Krebs cycle, and electron transport (aerobic respiration)? A. C6H12O6 + C6H12O6  C12H22O11 + H2OB. 6CO2 + 12H2O  C6H12O6 + 6O2 + 6H2OC. C12H22O11 + H2O  C6H12O6 + C6H12O6D. C6H12O6 + 6O2 + 6H2O  6CO2 + 12H2OE. all of the above
Do you think that the EA for ATP hydrolysis is relatively low or high? Explain your reasoning.
Which of the following statements concerning ATP synthesis is NOT true? a. The open conformation of the ATP synthase is for releasing ATP. b. The gamma subunit in the stalk responds to the flow of H+ and rotates the assembly counterclockwise and thus change the conformations of the active site to synthesize ATP. c. The tight conformation of the ATP synthase is for converting ADP and phosphate to ATP. d. The loose conformation of the ATP synthase is for binding ADP and phosphate. e. Ten protons are required to catalyze the rotation of the subunits so that one ATP is synthesized. Clear my choice
7) The following questions apply to glycolysis (figure 3-41 on page 79 of the 12th edition), the Krebs cycle (figure 3-44 on page 82) and to oxidative phosphorylation (figure 3-45 on page 84). Calculate the total amount of ATP produced from one glucose molecule if: a. The oxidation of NADH + H* to NAD* + 2H* produced 4 ATP. b. The oxidation of FADH₂ to FAD + 2H* produced 1 ATP. c. Each step of the Krebs cycle that produces NADH+H* produced FADH2 instead. d. Each step of the Krebs cycle that produces FADH2 produced NADH + H+ instead. e. Sucrose is substituted for glucose.
Describe redox reactions involved in the three steps of aerobic cellular respiration under the following topics: 1. Description of the two coenzymes NAD and FAD and link them to each enzyme in glycolysis; pyruvate oxidation and citric acid cycle using the backpack analogy that I described in class. (20%) 2. Describe energy harvesting of the electrons and hydrogens carried by the coenzymes in the electron transport chain and chemiosmosis using the battery analogy I described in class. (20%) 3. Describe the steps of DNA replication in bacteria as shown in our slides emphasizing the need for the Okazaki fragments (20%) 4. Describe RNA transcription emphasizing the two strands of DNA and the orientation of mRNA (20%) 5. Describe mRNA translation emphasizing the role of ribosomes and tRNA for two amino acids (20%)
Give only typing answer with explanation and conclusion
Compare ATP production in the citric acid cycle to the electron transport chain, or aerobic respiration. A. Both processes use oxidative phosphorylation. B. Both processes use substrate-level phosphorylation. C. The citric acid cycle uses substrate-level phosphorylation, and the electron transport chain uses oxidative phosphorylation. D. The citric acid cycle uses oxidative phosphorylation, and the electron transport chain uses substrate-level phosphorylation.
Explain why ATP hydrolysis occurs so early in glycolysis,an ATP-producing pathway
The equation for cellular respiration is shown. CAH1206 + 6 02 08 6 H20 + 6 CO2+ energy (ATP) a. Is the glucose oxidized or reduced? (first blank) b. Is it catabolism or anabolism? [second blank] c. What "energy currency" molecule is produced in this equation? [third blank] Question 2 4 Listen Anabolism refers to chemical reactions in which molecules and energy is molecules are converted into
Much of our understanding of ATP synthase is derived from research on aerobic bacteria. What makes these organisms useful for this research? Where do the reactions of glycolysis, the citric acid cycle, and the electron-transport chain occur in these organisms?

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