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Difference between apoenzyme and coenzyme

 

Apoenzyyme

Coenzyme

1.

It is the protein part of the enzyme composed of only amino acids.

It is the non-protein organic part of the enzyme which is attached to the apoenzyme  to form conjugate protein.

2.

It is heat sensitive i.e. Thermolabile.

It is heat stable.

3.

It is larger in size.

It is smaller in size.

4.

It is specific for an enzyme.

It can function as a cofactor for a number of enzymes carrying out specific functions.

5.

It is responsible for catalytic activity of the enzyme.

It takes part in the removal of the products of the reaction.

 

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