This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Biochemistry
Zinc is cofactor of which enzyme? 
Select and explain. 
A. Carbonic anhydrase, B. Lysyl oxidase, C. Carboxylase, D. Kinase
A: Carbonic anhydrase
Answer: A: Carbonic anhydrase 
Explanation: Zinc acts as a cofactor for: Carbonic anhydrase Carboxypeptidase Lactate dehydrogenase Alcohol dehydrogenase Alkaline phosphatase Metal Enzyme containing the metal Zinc Carbonic anhydrase, carboxypeptidase, alcohol dehydrogenase Magnesium Hexokinase, phosphofructokinase, enolase, glucose-6-phosphatase Manganese Phosphoglucomutase, hexokinase, enolase, glycosyltransferases Copper Tyrosinase, cytochrome oxidase, lysyl oxidase, superoxide dismutase Iron Cytochrome oxidase, catalase, peroxidase, xanthine oxidase Calcium Lecithinase, lipase Molybdenum Xanthine oxidase