Oxidative Phosphorylation Quiz
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Questions and Answers

Where is the intermembrane space located?

  • In the matrix
  • On the N side
  • On the P side (correct)
  • In the cytoplasm

    • What happens to the energy released during the hydrogen and oxygen reaction in organisms?

  • It is used to form water
  • It is released explosively
  • It is used to pump protons
  • It is stored in high-energy bonds (correct)

    • What are NADH and FADH2?

  • Reducing agents
  • High-energy bonds
  • Oxidizing agents
  • Electron transporters (correct)

    • What is the purpose of the electron transport chain (ETC)?

    <p>To oxidize NADH and FADH2</p> Signup and view all the answers

    What is oxidative phosphorylation?

    <p>The phosphorylation of ADP to form ATP</p> Signup and view all the answers

    What are the energy conversion processes that occur in the membrane during oxidative phosphorylation?

    <p>Electron transfer, proton pumping, and the flow of protons through ATP synthase</p> Signup and view all the answers

    What happens to the high-energy electrons lost from NADH?

    <p>They combine with oxygen to form water</p> Signup and view all the answers

    What is the net equation for the electron-transfer process in oxidative phosphorylation?

    <p>NADH + 1/2O2 + H+ → NAD+ + H2O</p> Signup and view all the answers

    What is the role of ATP synthase in oxidative phosphorylation?

    <p>To convert ADP to ATP</p> Signup and view all the answers

    What is the source of molecular oxygen in oxidative phosphorylation?

    <p>External source</p> Signup and view all the answers

    What is the purpose of the ETC in oxidative phosphorylation?

    <p>To generate a proton gradient</p> Signup and view all the answers

    What is the final product of the electron-transfer process in oxidative phosphorylation?

    <p>Water</p> Signup and view all the answers

    Where is the intermembrane space located?

    <p>On the P side</p> Signup and view all the answers

    What happens to the energy released during the hydrogen and oxygen reaction in organisms?

    <p>It is stored in high-energy bonds</p> Signup and view all the answers

    What are NADH and FADH2?

    <p>Electron transporters</p> Signup and view all the answers

    What is the purpose of the electron transport chain (ETC)?

    <p>To oxidize NADH and FADH2</p> Signup and view all the answers

    What is oxidative phosphorylation?

    <p>The phosphorylation of ADP to form ATP</p> Signup and view all the answers

    What are the energy conversion processes that occur in the membrane during oxidative phosphorylation?

    <p>Electron transfer, proton pumping, and the flow of protons through ATP synthase</p> Signup and view all the answers

    What happens to the high-energy electrons lost from NADH?

    <p>They combine with oxygen to form water</p> Signup and view all the answers

    What is the net equation for the electron-transfer process in oxidative phosphorylation?

    <p>NADH + 1/2O2 + H+ → NAD+ + H2O</p> Signup and view all the answers

    What is the role of ATP synthase in oxidative phosphorylation?

    <p>To convert ADP to ATP</p> Signup and view all the answers

    What is the source of molecular oxygen in oxidative phosphorylation?

    <p>External source</p> Signup and view all the answers

    What is the purpose of the ETC in oxidative phosphorylation?

    <p>To generate a proton gradient</p> Signup and view all the answers

    What is the final product of the electron-transfer process in oxidative phosphorylation?

    <p>Water</p> Signup and view all the answers

    Where is the intermembrane space located?

    <p>At the P side</p> Signup and view all the answers

    What happens when hydrogen and oxygen react?

    <p>Energy is released explosively</p> Signup and view all the answers

    How do organisms store the energy released from the hydrogen and oxygen reaction?

    <p>In high-energy bonds</p> Signup and view all the answers

    What are NADH and FADH2 oxidized into?

    <p>NAD+ and FAD</p> Signup and view all the answers

    What happens to the electrons in the ETC?

    <p>They are used to form ATP</p> Signup and view all the answers

    What is the net equation for the electron-transfer process in oxidative phosphorylation?

    <p>NADH + 1/2O2 + H+ → NAD+ + H2O</p> Signup and view all the answers

    What are the energy conversion processes in the membrane?

    <p>Electron transfer, proton pumping, and the flow of protons through ATP synthase</p> Signup and view all the answers

    What happens to the high-energy electrons lost from NADH?

    <p>They combine with molecular oxygen and H+ to form water</p> Signup and view all the answers

    What is the role of ATP synthase in oxidative phosphorylation?

    <p>To convert ADP to ATP</p> Signup and view all the answers

    What is the function of NADH and FADH2 in the ETC?

    <p>To store high-energy electrons</p> Signup and view all the answers

    What is the location of the matrix?

    <p>Inside the mitochondria</p> Signup and view all the answers

    What is the purpose of oxidative phosphorylation?

    <p>To convert the energy released by the oxidation of NADH to NAD+ into ATP</p> Signup and view all the answers

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