Note that intermediate filaments are not polar in the way that actin or tubulin are (Figure ... as the pinching off of the cell membrane in the final step of cell division (also known as ...

During mitosis, tubulin proteins link together to form long microtubules ... molecules like microtubules are inappropriately drawn towards the center of the dividing cell. This process can further ...

The five phases of mitosis and cell division tightly coordinate the movements ... spindle fibers remained unknown until the 1960s, when tubulin was discovered and techniques were developed for ...

Each day, a human adult loses on average 50 to 70 billion cells, which die from natural causes alone. New cells replace lost ...