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easyMCQNEET 20192026BIOLOGY
1 mark

Prosthetic groups differ from co-enzymes in that:

  1. A
    they require metal ions for their activity.
  2. B
    they are tightly bound to apoenzymes.
  3. C
    their association with apoenzymes is transient.
  4. D
    they can serve as co-factors in many reactions.

Solution & Step-by-step Explanation

Both are organic co-factors. However, prosthetic groups are tightly bound to the apoenzyme (e.g., Haem in peroxidase), while co-enzymes have a transient (temporary) association usually during the course of catalysis.

Practice this question

Try it yourself before checking the explanation above.

Prosthetic groups differ from co-enzymes in that:
A
they require metal ions for their activity.
B
they are tightly bound to apoenzymes.
C
their association with apoenzymes is transient.
D
they can serve as co-factors in many reactions.

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biomoleculesenzymesco-factors

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