Biochemistry The reaction which requires HMG–COA reductase activity A β-hydroxy–β-methyl glutaryl COA → Mevalonic acid B Acetyl COA + CO2 + ATP → Malonyl COA + ADP+ Pi C L-methylmalonyl-CoA Succinyl COA D Lactose + H2O → Glucose + Galactose 💡 Explanation The reaction which requires HMG–COA reductase activity ✓ Correct Answer: A. β-hydroxy–β-methyl glutaryl COA → Mevalonic acid