Oxidation-Reduction Reactions The NADH dehydrogenase complex of the mitochondrial respira- tory chain promotes the following series...
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Oxidation-Reduction Reactions The NADH dehydrogenase complex of the mitochondrial respira- tory chain promotes the following series of oxidation-reduction reactions, in which Fe+ and Fe+ represent the iron in iron-sulfur centers, Q is ubiquinone, QH, is ubiquinol, and E is the enzyme: (1) NADH + H+ + E-FMNNAD+ + E-FMNH2 (2) E-FMNH + 2Fe+ E-FMN+ 2Fe+ + 2H+ (3) 2Fe+ + 2H+ +Q2Fe+ + QH2 Sum: NADH + H+ + Q NAD + QH For each of the three reactions catalyzed by the NADH dehydrogenase complex, identify (a) the electron donor, (b) the electron acceptor, (c) the conjugate redox pair, (d) the reducing agent, and (e) the oxidizing agent. Oxidation-Reduction Reactions The NADH dehydrogenase complex of the mitochondrial respira- tory chain promotes the following series of oxidation-reduction reactions, in which Fe+ and Fe+ represent the iron in iron-sulfur centers, Q is ubiquinone, QH, is ubiquinol, and E is the enzyme: (1) NADH + H+ + E-FMNNAD+ + E-FMNH2 (2) E-FMNH + 2Fe+ E-FMN+ 2Fe+ + 2H+ (3) 2Fe+ + 2H+ +Q2Fe+ + QH2 Sum: NADH + H+ + Q NAD + QH For each of the three reactions catalyzed by the NADH dehydrogenase complex, identify (a) the electron donor, (b) the electron acceptor, (c) the conjugate redox pair, (d) the reducing agent, and (e) the oxidizing agent.
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Related Book For
Biochemistry Concepts and Connections
ISBN: 978-0321839923
1st edition
Authors: Dean R. Appling, Spencer J. Anthony Cahill, Christopher K. Mathews
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