Carbon dioxide entering erythrocytes reacts with water to form carbonic acid. The enzyme catalyzing this
A
Carbonic anhydrase
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B
Carboxypeptidase
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C
Hydrolase
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D
Oxidoreductase
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Solution
The correct option is B Carbonic anhydrase RBCs contain a very high concentration of the enzyme, carbonic anhydrase and minute quantities of the same is present in the plasma too. This enzyme facilitates the reaction between carbon dioxide and water to form carbonic acid and its dissociation into bicarbonate ions and protons.