Pharmacology Trimethoprim acts by: A Inhibiting peptidyl transferase enzyme B Inhibiting dihydrofolate reductase enzyme C Inhibiting Dihydropteroate synthase enzyme D Binds to 50s ribosomal unit and prevents protein synthesis 💡 Explanation Trimethoprim acts by: ✓ Correct Answer: B. Inhibiting dihydrofolate reductase enzyme