Arrange the following electron carriers in the electron transport chain,based on their standard reduction potentials. Cytochroms a₃(Fe³⁺⁾ + e^- $\rarr$ Cytochrome a₃ (Fe²⁺) E_o (volts) = 0.35
Ubiquinone + 2H⁺ + 2e^- $\rarr$ Ubiquinone H₂ E_o (volts) = 0.10
Cytochrome a (Fe³⁺⁾ + e^- $\rarr$ Cytochrome a (Fe²⁺) E_o (volts) = 0.29
Cytochrome c (Fe³⁺⁾ + e^- $\rarr$ Cytochrome c (Fe²⁺) E_o (volts) = 0.25

Question

Arrange the following electron carriers in the electron transport chain,based on their standard reduction potentials. Cytochroms a₃(Fe³⁺⁾ + e^-

\rarr

Cytochrome a₃ (Fe²⁺) E_o (volts) = 0.35
Ubiquinone + 2H⁺ + 2e^-

\rarr

Ubiquinone H₂ E_o (volts) = 0.10
Cytochrome a (Fe³⁺⁾ + e^-

\rarr

Cytochrome a (Fe²⁺) E_o (volts) = 0.29
Cytochrome c (Fe³⁺⁾ + e^-

\rarr

Cytochrome c (Fe²⁺) E_o (volts) = 0.25

Quizplus · Accepted Answer

The correct order based on the standard reduction potentials (E° values) from lowest to highest is: ubiquinone (0.10 V), cytochrome c (0.25 V), cytochrome a (0.29 V), and cytochrome a3 (0.35 V).

Arrange the Following Electron Carriers in the Electron Transport Chain,based →\rarr→

Arrange the Following Electron Carriers in the Electron Transport Chain,based $\rarr$