Pharmacology General 2e737be6 About vinca alkaloids true is ? A Inhibits mitotic spindle B Enhances polymerization of tubulin C Inhibits topoisomerase I D Inhibits topoisomerase II High-Yield Explanation Ans. is 'a' i.e., Inhibits mitotic spindle Vinca alkaloids (vincristine) inhibit mitotic spindles by preventing polymerization of tubulin