How well do you know the Krebs Cycle's Complex II
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Questions and Answers

Which molecule serves as the initial electron acceptor in Complex II of the Krebs Cycle?

  • Succinate
  • FADH2
  • FAD (correct)
  • CoQ

What is the name of Complex II in the Krebs Cycle?

  • Isocitrate Dehydrogenase
  • Succinate Dehydrogenase (correct)
  • Malate Dehydrogenase
  • Fumarase

What is the product of the transfer of electrons from FADH2 through the three iron-sulfur centers in Complex II?

  • CoQ
  • QH2 (correct)
  • Succinate
  • Fumarate

What is the product of the oxidation of succinate in Complex II?

<p>Fumarate (D)</p> Signup and view all the answers

Which complex in the respiratory chain reoxidizes QH2 produced in Complex II?

<p>Complex III (C)</p> Signup and view all the answers

What is the role of Complex III in the respiratory chain?

<p>To reoxidize QH2 (C)</p> Signup and view all the answers

What is the name of the electron carrier that receives electrons from Complex II in the respiratory chain?

<p>CoQ (B)</p> Signup and view all the answers

What is the ultimate goal of the Krebs Cycle and the respiratory chain?

<p>To produce ATP (B)</p> Signup and view all the answers

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