This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Mechanism of action of vincristine in the treatment of all is \nSelect and explain. \nA. Inhibition of topoisomerse II to cause breaks in DNA standards, B. Alkylation and cross linking DNA standards, C. Inhibition of DNA mediated RNA synthesis, D. Inhibition of polymerization of tubulin to form microtubes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref-KDT 6/e 824,825 Vincristine is a chemotherapy drug that belongs to a group of drugs called vinca alkaloids. Vincristine works by stopping the cancer cells from separating into 2 new cells. So, it stops the growth of the cancer by polymerization', 'role': 'assistant'}]