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Question

Co-factor in enzyme urease is

A
Ni
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B
Zn
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C
Cu
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D
Mg
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Solution

The correct option is B Ni
A- Enzyme 'urease' use Nickel as co-factor to perform its function.
B- Zinc is the co-factor of about 20 enzymes, for example- alcohol dehydrogenase, carbonic anhydrase etc.
C- Copper as a co-factor is present in the enzyme tyrosinase, superoxide mutase.
D- Magnesium is the co-factor of many enzymes involved in glucose metabolism.
So the correct option is 'Ni'.

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