Iron-Sulfur Centers Quiz
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Questions and Answers

Which of the following is true about iron-sulfur centers?

  • They contain only one iron atom
  • They transfer electrons through sulfur atoms
  • They can contain up to 8 iron atoms (correct)
  • They contain only sulfur atoms
  • What is the role of cysteine residues in iron-sulfur centers?

  • To provide a pathway for electron transfer
  • To complex with iron atoms
  • To transfer electrons
  • To hold the prosthetic groups in place within the protein (correct)
  • What is the function of iron in iron-sulfur centers?

  • To hold the prosthetic groups in place within the protein
  • To complex with cysteine residues
  • To provide a pathway for electron transfer
  • To transfer electrons (correct)
  • How many electrons do iron-sulfur centers transfer?

    <p>One electron</p> Signup and view all the answers

    What is the role of N2 in iron-sulfur centers?

    <p>To pass electrons one at a time to coenzyme Q</p> Signup and view all the answers

    What is the arrangement of iron-sulfur centers?

    <p>As a chain or wire</p> Signup and view all the answers

    Where is the binding site for coenzyme Q located?

    <p>At the interface of peripheral and membrane domains</p> Signup and view all the answers

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