Choose the incorrect statement with respect to enzymes.

Easy

A

An enzyme has either one or more than one polypeptide chains.
B

Cofactors make the enzymes catalytically active.
C

A metallic ion cofactor forms coordination bonds with only substrate but not with the apoenzyme.
D

Haeme is the cofactor of peroxidase which is tightly bound to the apoenzyme and is a part of active site of enzyme.

Solution

A metallic ion cofactor not only forms coordinate bonds with the substrate but also with the side chains of R group of amino acids at the active site of enzyme.

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