Biochemistry Which of the following enzyme uses zinc as a cofactor for its biochemical functions? A Pyruvate dehydrogenase B Pyruvate decarboxylase C a-ketoglutarate dehydrogenase D Alcohol dehydrogenase 💡 Explanation Which of the following enzyme uses zinc as a cofactor for its biochemical functions? ✓ Correct Answer: D. Alcohol dehydrogenase