Match the drugs in Group I with their mechanism of action in Group II . Group I Group II P. Paclitaxel 1. Inhibits protein translation Q. Colchicine 2. Inhibits microtubule depolymerization R. Etoposide 3. Inhibits DNA replication S. Methotrexate 4. Alkylates DNA 5. Inhibits dihydrofolate reductase 6. Inhibits microtubule polymerization