Below are the reduction reactions for oxygen and FAD. ½202 + 2e + 2H+ → H20 E°' = 0.83 V FAD + 2e + 2H* → FADH2 E" = -0.22 V What is the potential (E") for the oxidation of FADH by oxygen? What is the AG®' for the oxidation of FADH, by oxygen? If we assume that the pumping of protons in conjunction with the oxidation of FADH, requires 120 kJ, what percentage of the energy from FADH oxidation is stored in the proton gradient (think about how many protons are pumped when FADH, transfers electrons to oxygen)?
Below are the reduction reactions for oxygen and FAD. ½202 + 2e + 2H+ → H20 E°' = 0.83 V FAD + 2e + 2H* → FADH2 E" = -0.22 V What is the potential (E") for the oxidation of FADH by oxygen? What is the AG®' for the oxidation of FADH, by oxygen? If we assume that the pumping of protons in conjunction with the oxidation of FADH, requires 120 kJ, what percentage of the energy from FADH oxidation is stored in the proton gradient (think about how many protons are pumped when FADH, transfers electrons to oxygen)?
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter21: Photosynthesis
Section: Chapter Questions
Problem 17P
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Below are the reduction reactions for oxygen and FAD.
½202 + 2e + 2H+ → H20
E°' = 0.83 V
FAD + 2e + 2H* → FADH2
E" = -0.22 V
What is the potential (E") for the oxidation of FADH by oxygen?
What is the AG®' for the oxidation of FADH, by oxygen?
If we assume that the pumping of protons in conjunction with the oxidation of FADH, requires 120 kJ, what percentage of the energy from FADH oxidation is stored in the proton gradient (think about how many protons are pumped when FADH, transfers electrons to oxygen)?
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