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NADH and FADH2 are often considered “energy currency” in cellular metabolism because they are generated directly from...

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Chemistry

NADH and FADH2 are often considered “energy currency” incellular metabolism because they are generated
directly from Glycolysis and the TCA cycle. Using the followinghalf-cell potentials, calculate the Gibbs Free Energy
that can be derived from the oxidation of NADH and FADH2. Use theFaraday Constant at 96,500 J/V mol.
FAD + 2H+ +2 e- = FADH2 Eo = -0.219V
NAD+ + H+ + 2 e- = NADH Eo = -0.320V
a. 21.3 and 30.8 kJ/mol
b. -21.3 and -30.8 kJ/mol
c. 42.3 and 61.8 kJ/mol
d. -42.3 and -61.8 kJ/mol

Answer & Explanation Solved by verified expert
3.6 Ratings (281 Votes)
1 Given FAD 2H 2e FADH2 E0 0219V reaction 1 That is reduction reduction gain of electrons of FAD reduces redox potential by 0219V energy We have to calculate free energy change for oxidation of FADH2 So write the reaction for oxidation of    See Answer
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