Arrange the following electron carriers in the electron transport chain, based on their standard reduction potentials.Cytochroms a3(Fe3+) + e- ? Cytochrome a3 (Fe2+) Eo (volts) = 0.35Ubiquinone + 2H+ + 2e- ? Ubiquinone H2 Eo (volts) = 0.10Cytochrome a (Fe3+) + e- ? Cytochrome a (Fe2+) Eo (volts) = 0.29Cytochrome c (Fe3+) + e- ? Cytochrome c (Fe2+) Eo (volts) = 0.25
A. ubiquinone - cytochrome a - cytochrome a3 - cytochrome c
B. cytochrome a3 - cytochrome a - cytochrome c - ubiquinone
C. ubiquinone - cytochrome c- cytochrome a- cytochrome a3
D. cytochrome c - ubiquinone - cytochrome a - cytochrome a3
Answer: C
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