Final answer:
Colchicine affects the movement of vesicles by inhibiting mitosis, specifically by disrupting the formation of the mitotic spindle.
Step-by-step explanation:
Colchicine affects the movement of vesicles by inhibiting mitosis. Mitosis is the process by which a cell divides into two identical daughter cells. Colchicine disrupts mitosis by binding to tubulin, the subunit of microtubules, and interfering with microtubule assembly and disassembly. This disruption affects the formation of the mitotic spindle, which is responsible for the movement of vesicles during cell division. As a result, the movement of vesicles is inhibited.