Microtubules

Microtubules offer the necessary intracellular highway system for the movement of organelles and vesicles from one place to another. Molecular motors such as dynien and kinesin transport packages along this highway in an energy requiring process. Vital to microtubules are microtubular organizing centers, such as basal bodies, centrioles and centromeres, which guide the assembly and disassembly of microtubules. These tubules that vary in length contain an outer diameter of 24 nanometers, a dense 5 nanometers thick wall and central hollow core. Microtubules provide a great service to the cell and are necessary for it's function.