Thermodynamics: Gibbs Free Energy (ΔG) and Reaction Spontaneity
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Questions and Answers

What is the order of the phosphate groups, from closest to furthest from the ribose sugar?

  • gamma, beta, alpha
  • beta, alpha, gamma
  • alpha, beta, gamma (correct)
  • gamma, alpha, beta

    • What is the name of the process by which ATP is formed from the transfer of electrons from NADH or FADH2 to O2?

  • Proton-motive force
  • Oxidative phosphorylation (correct)
  • Electron transport
  • Chemiosmotic hypothesis

    • What is the purpose of the inward-facing fold-like projections in the mitochondria?

  • To increase the surface area of the membrane (correct)
  • To house mitochondrial DNA
  • To decrease the surface area of the membrane
  • To facilitate the breakdown of carbohydrates

    • What is the site of hydrogen ion deposition in the mitochondria?

    <p>The inner membrane</p> Signup and view all the answers

    What is the fundamental concept of oxidative phosphorylation?

    <p>The ATP synthesis driven by proton-motive force</p> Signup and view all the answers

    What is the role of NADH and FADH2 in oxidative phosphorylation?

    <p>They are produced by the breakdown of carbohydrates, fats, and amino acids</p> Signup and view all the answers

    What is the nonspontaneous reaction that is coupled to the oxidation reaction of NADH or FADH2?

    <p>The joining of ADP to inorganic phosphate</p> Signup and view all the answers

    What is the name of the area where the protein complexes involved in the electron transport chain are located?

    <p>The inner membrane</p> Signup and view all the answers

    What is the result of the transfer of electrons from NADH or FADH2 to O2?

    <p>The formation of ATP</p> Signup and view all the answers

    What is the process that drives ATP synthesis in oxidative phosphorylation?

    <p>Proton-motive force</p> Signup and view all the answers

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