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Which of the following enzymes do not use Zn^2+ ions as cofactors?

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in Enzyme Technology by (55.0k points)
Which of the following enzymes do not use Zn^2+ ions as cofactors?

(a) Carbonic anhydrase

(b) Propionyl CoA carboxylase

(c) Alcohol dehydrogenase

(d) Carboxypeptidase A

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Question is from Enzymes topic in division Enzymes of Enzyme Technology

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Correct answer is (b) Propionyl CoA carboxylase

To explain: The following enzymes use Zn^2+ ions as cofactors: carbonic anhydrase, alcohol dehydrogenase, carboxypeptidase A and B. Propionyl CoA carboxylase is an enzyme which uses potassium as the cofactor.

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