Carbon monoxide is considered toxic because it acts on Complex IV. How would the addition of carbon monoxide to actively respiring mitochondria affect the relative oxidation-reduction states of all components of the electron-transport chain? Complexes I and I would be reduced, but complexes II and IV would be oxidized because the electrons come from FADH2 oxidation, not NADH. O All four complexes would remain oxidized because they function as a multisystem complex. O Complexes I, II, and I would be reduced and Complex IV would be oxidized. All four complexes would remain reduced because they function as a multisystem complex Complexes I, II, and ill would be oxidized but Complex IV would remain reduced.
Carbon monoxide is considered toxic because it acts on Complex IV. How would the addition of carbon monoxide to actively respiring mitochondria affect the relative oxidation-reduction states of all components of the electron-transport chain? Complexes I and I would be reduced, but complexes II and IV would be oxidized because the electrons come from FADH2 oxidation, not NADH. O All four complexes would remain oxidized because they function as a multisystem complex. O Complexes I, II, and I would be reduced and Complex IV would be oxidized. All four complexes would remain reduced because they function as a multisystem complex Complexes I, II, and ill would be oxidized but Complex IV would remain reduced.
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter2: Cell Physiology
Section: Chapter Questions
Problem 2TAHL
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