Statement Analysis: Statement 1: The movement of electrons from complex to another in the electron transport chain is linked with the pumping of protons. Statement 2: The pumping of protons is from the inner membrane to intermembrane space. A. Both statements are true B. Only statement 1 is true O c. Only statement 2 is true OD. Neither of the statement is true RESE
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- Define the following terms: a. Fe–S clusters b. electron transport c. CoQ d. ubisemiquinone e. UQH2. Choose the pair of terms that correctly completesthis sentence: Catabolism is to anabolism as_________ is to _________.(A) exergonic; spontaneous(B) exergonic; endergonic(C) free energy; entropy(D) work; energyIn which of the following processes is carbon dioxide reduced toform carbohydrate?a. cellular respirationb. noncompetitive inhibitionc. photosynthesisd. induced fit model
- Which of the following can occur within a cell in the absence of oxygen?a. glycolysisb. lactate productionc. citric acid cycled. electron transport systeme. both (a) and (b)High-energy electrons being passed from carrier to carrier along the electron transport system in cellular respiration, DIRECTLY results in which of the following: a. glucose to be synthesized b. ATP to be synthesized c. hydrogen ions to be pumped across a membrane d. CO2 to be synthesizedFigure 4.15 Cyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or decrease? What affect would cyanide have on ATP synthesis? Figure 4.15 (a) The electron transport chain is a set of molecules that supports a series of oxidation-reduction reactions. (b) ATP synthase is a complex, molecular machine that uses an H+ gradient to regenerate ATP from ADP. (c) Chemiosmosis relies on the potential energy provided by the H+ gradient across the membrane.
- Which of the following electron-transport chain complexes is not a member of the respirasome? a. Complex I b. Complex II c. Complex III d. Complex IVWRITE ABOUT A THEME: ORGANIZATION In a short essay(100–150 words), explain how oxidative phosphorylation—production of ATP using energy from the redox reactions ofa spatially organized electron transport chain followed bychemiosmosis—is an example of how new properties emergeat each level of the biological hierarchy.The fact that energy transformations increase the amount of entropyis the basis of which of the following?a. cell theoryb. first law of thermodynamicsc. second law of thermodynamicsd. oxidation-reduction reactions
- Which of the following directly powers the production of ATP? A.Electron transport chain B. Photosystem I C. Proton gradient D. Electromagnetic radiationOxygen has the greatest electron atracting potential in the electron transport chain?. Group of answer choices True FalseWhich of the following statements is a lie?Select one:a.Specific enzymes in the electron transport chain are unaffected by feedback inhibition.b.Elevated levels of ADP will increase pathway activity in the electron transport chain.c.The rate of transport of electrons through the electron transport chain is regulated by feedback inhibition.