Gravitational is only attracted and electromagnetic is both atrractive and repulsive since it depends what you are talking about
Nexin
This is the elastic protein among tubulin doublets that link them together for ciliary and flagellae structures.
Cilia and flagella are cellular structures that facilitate movement of the cell from one area to another.
This protein also inhibits movement on microtubules from axonemes.
Cell division or reproduction process is called mitosis
