3. The free energy associated with the proton gradient that develops across the inner mitochondrial membrane as a result of the electron transport chain is 23.3 kJ per mole of protons. If FADH2 is the only electron donor to the electron transport chain, how many moles of FADH2 would be required to produce a proton gradient in which exactly one mole of protons have been pumped across the membrane, assuming we start with no gradient? The standard reduction potential of FADH2 is +0.10 V, and that of O2 is +0.81 V. Select the closest value from the options below. A) 3 mol FADH2 C) 0.17 mol FADH2 B) 1 mol FADH2 D) 5.8 mol FADH2

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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3. The free energy associated with the proton gradient that develops across the inner mitochondrial
membrane as a result of the electron transport chain is 23.3 kJ per mole of protons. If FADH; is the
only electron donor to the electron transport chain, how many moles of FADH2 would be required to
produce a proton gradient in which exactly one mole of protons have been pumped across the
membrane, assuming we start with no gradient? The standard reduction potential of FADH2 is +0.10 V,
and that of O2 is +0.81 V. Select the closest value from the options below.
A) 3 mol FADH2
C) 0.17 mol FADH2
B) 1 mol FADH2
D) 5.8 mol FADH2
Transcribed Image Text:3. The free energy associated with the proton gradient that develops across the inner mitochondrial membrane as a result of the electron transport chain is 23.3 kJ per mole of protons. If FADH; is the only electron donor to the electron transport chain, how many moles of FADH2 would be required to produce a proton gradient in which exactly one mole of protons have been pumped across the membrane, assuming we start with no gradient? The standard reduction potential of FADH2 is +0.10 V, and that of O2 is +0.81 V. Select the closest value from the options below. A) 3 mol FADH2 C) 0.17 mol FADH2 B) 1 mol FADH2 D) 5.8 mol FADH2
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