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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Mark the correct option about prosthetic group and co-enzyme. Prosthetic group Co-enzyme Nature Mode of action Nature Mode of action (i) organic Tightly binds to protein part of the enzyme inorganic Transient association with protein part of the enzyme (ii) inorganic Transient association with protein part of an enzyme organic Tightly binds to protein part of an enzyme (iii) organic Tightly binds to protein part of t

Options

  1. Ai
  2. Bii
  3. Ciii
  4. Div

Correct answer

C. iii

Step-by-step solution

Prosthetic groups are organic compounds and are distinguished from other cofactors in that they are tightly bound to the apoenzyme. For example, in peroxidase and catalase, which catalyze the breakdown of hydrogen peroxide to water and oxygen, haem is the prosthetic group and it is a part of the active site of the enzyme. Co-enzymes are also organic compounds but their association with the apoenzyme is only transient, usually occurring during the course of catalysis. Furthermore, co-enzymes serve as co-factors in a

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