1. They form the basal body of cilia and flagella.
2. The form spindle fibres during the cell division which helps the chromosomes to divide equally.
The major function of cilia and flagella is to help in the locomotion and movemnet of the cells. Cilia are shorter and acts like oars causing the movement of the cell or the surrounding medium around it. Flagella are longer as compared to cilia and are responsible for the movement of the cell.