Oxidative Phosphorylation and Electron Transport Chain
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Questions and Answers

What is the role of the electron transport chain in oxidative phosphorylation?

  • Forming glucose from protons
  • Directly producing ATP
  • Using energy from electrons to create a proton gradient (correct)
  • Absorbing light energy to start photosynthesis
  • Where are the complexes involved in electron transport located?

  • In the inner membrane of mitochondria (correct)
  • In the nucleus
  • On the cell surface
  • In the cytoplasm
  • From where do the complexes in the electron transport chain take electrons?

  • Water molecules
  • Molecules that come from food (correct)
  • Oxygen atoms
  • ATP molecules
  • What happens to the energy of electrons as they move from one protein complex to the next in the electron transport chain?

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

    What do protein complexes use the energy from electrons for?

    <p>To pump protons (H+ ions) from inside the mitochondria</p> Signup and view all the answers

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