Karnataka PGET Pathology MCQ Answer 4

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The correct answer is D

  • Xanthine oxidase is a free radical producing enzyme.
  • Super oxide dismutase is a potent protective enzyme that can selectively scavenge the superoxide radical (O2.-) by catalyzing its dismutation to hydrogen peroxide (H2O2) and molecular oxygen (O2).
  • The other antioxidative enzymes, Catalase and Glutathione Peroxidase, act to decompose H2O2 to water.
Other Free radical producing enzymes are:
  • inducible nitric oxide synthase (iNOS)
  • NADPH oxidase

Category: Karnataka PGET 2007 MCQs

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