Prosthetic Groups and Coenzymes
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Questions and Answers

Which type of organic compounds have a transient association with the apoenzyme during catalysis?

  • Metal ions
  • Vitamins
  • Co-enzymes (correct)
  • Prosthetic groups
  • Which vitamin is a component of the coenzyme nicotinamide adenine dinucleotide (NAD) and NADP?

  • Niacin (correct)
  • Vitamin B6
  • Vitamin C
  • Vitamin B12
  • Which type of organic compounds are tightly bound to the apoenzyme as prosthetic groups?

  • Co-enzymes
  • Haem (correct)
  • Metal ions
  • Vitamins
  • Which metal ion serves as a cofactor for the proteolytic enzyme carboxypeptidase?

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

    Which enzymes catalyze the breakdown of hydrogen peroxide to water and oxygen?

    <p>Peroxidase and catalase</p> Signup and view all the answers

    Which of the following is a major difference between enzyme catalysts and inorganic catalysts?

    <p>Enzyme catalysts get damaged at high temperatures</p> Signup and view all the answers

    At what temperature do enzymes start getting damaged?

    <p>Above 40°C</p> Signup and view all the answers

    Which type of enzymes are stable and retain their catalytic power even at high temperatures?

    <p>Enzymes isolated from organisms living in hot environments</p> Signup and view all the answers

    What is an important quality of enzymes isolated from thermophilic organisms?

    <p>Thermal stability</p> Signup and view all the answers

    What is the temperature range at which enzymes isolated from thermophilic organisms retain their catalytic power?

    <p>Upto 90°C</p> Signup and view all the answers

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