Pharmacology Large dose of EDTA are used in carbonic anhydrase enzyme inactivation. The mechanism by which EDTA act is – A It chelates with the metal ions of the enzyme B It combines with the substrate and reacts with the enzyme C Combines with the substrate and doesn't react with the enzyme D Enzyme-EDTA complex can not be attached to substrate 💡 Explanation Large dose of EDTA are used in carbonic anhydrase enzyme inactivation. The mechanism by which EDTA act is - ✓ Correct Answer: A. It chelates with the metal ions of the enzyme