Electron-Transport Chain Quiz
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Questions and Answers

Which molecular species in the electron-transport chain can function in either one- or two-electron transfer reactions?

  • Cytochromes
  • Coenzyme Q (correct)
  • Flavoproteins
  • Iron–sulfur proteins
  • Which molecular species in the electron-transport chain contains tightly bound FMN or FAD as prosthetic groups?

  • Cytochromes
  • Flavoproteins (correct)
  • Coenzyme Q
  • Iron–sulfur proteins
  • Which molecular species in the electron-transport chain are one-electron transfer agents in which the heme iron is converted from Fe2+ to Fe3+ and back?

  • Coenzyme Q
  • Cytochromes (correct)
  • Flavoproteins
  • Iron–sulfur proteins
  • Which molecular species in the electron-transport chain participate in one-electron transfers involving the Fe2+ and Fe3+ states?

    <p>Protein-bound copper</p> Signup and view all the answers

    Which molecular species in the electron-transport chain is a one-electron transfer site that converts between Cu1 and Cu2+?

    <p>Protein-bound copper</p> Signup and view all the answers

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