Match List I (Antibiotic) with List II (Mechanism of Action) and select the correct answer using the codes given below the lists:
| List I (Antibiotic) | List II (Mechanism of Action) |
|---|
| A. Penicillin | 1. Inhibit dihydrofolate reductase |
| B. Tetracycline | 2. Inhibit cell wall synthesis |
| C. Sulphonamide | 3. Inhibit RNA binding to ribosomes |
| D. Quinolone | 4. Inhibit DNA gyrase |