Which one of the following statements is correct, with reference to enzymes?

  • Option 1)

    Apoenzyme = Holoenzyme + Coenzyme

  • Option 2)

    Holoenzyme = Apoenzyme + Coenzyme

  • Option 3)

    Coenzyme = Apoenzyme + Holoenzyme

  • Option 4)

    Holoenzyme = Coenzyme + Cofactor

 

Answers (1)

 

Co-enzymes as cofactor -

A cofactor is an organic compound and their association with the apoenzyme is only transient, usually occurs during the course of catalysis.

- wherein

Eg: NAD and NADP.

 

Coenzymes are transiently associated with apoenzyme, forming a holoenzyme


Option 1)

Apoenzyme = Holoenzyme + Coenzyme

This is incorrect option

Option 2)

Holoenzyme = Apoenzyme + Coenzyme

This is correct option

Option 3)

Coenzyme = Apoenzyme + Holoenzyme

This is incorrect option

Option 4)

Holoenzyme = Coenzyme + Cofactor

This is incorrect option

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