Biological Oxidation Quiz
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Questions and Answers

Which enzyme is the terminal component of the chain of respiratory carriers found in mitochondria and transfers electrons resulting from the oxidation of substrate molecules by dehydrogenases to their final acceptor, oxygen?

  • Hydroperoxidase
  • Oxygenase
  • Dehydrogenase
  • Cytochrome oxidase (correct)
  • What is the process by which cells derive energy in the form of ATP from the controlled reaction of hydrogen with oxygen to form water?

  • Oxygenation
  • Respiration (correct)
  • Oxidation
  • Reduction
  • Which group of oxidoreductases transfers two electrons from the donor to oxygen, forming hydrogen peroxide or water?

  • Hydroperoxidases
  • Oxidases (correct)
  • Dehydrogenases
  • Oxygenases
  • How many molecules of heme does cytochrome aa3 contain?

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

    Which element is associated with each heme unit in cytochrome aa3?

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

    What is the process by which cells derive energy in the form of ATP from the controlled reaction of hydrogen with oxygen to form water?

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

    Which enzyme is the terminal component of the chain of respiratory carriers found in mitochondria and transfers electrons resulting from the oxidation of substrate molecules by dehydrogenases to their final acceptor, oxygen?

    <p>Cytochrome oxidase</p> Signup and view all the answers

    Which group of oxidoreductases transfers two electrons from the donor to oxygen, forming hydrogen peroxide or water?

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

    What is the typical heme prosthetic group present in cytochrome oxidase?

    <p>Heme with Fe oscillating between Fe3+ and Fe2+</p> Signup and view all the answers

    Which element is associated with each heme unit in cytochrome aa3?

    <p>Copper (Cu)</p> Signup and view all the answers

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