I believe it is the Cell Membrane.
White blood cells
It is a thin layer that surrounds the cytoplasm. Its funtion is to control the movement of materials going in and out of the cell.
growth
cell membrane
This is the companion cell.
Only indirectly. The part of the cell that regulates the movement of material is the cell membrane, which surrounds the cell.
Some of the proteins and lipids do control movement of materials into and out of the cell.
Some of the proteins and lipids do control movement of materials into and out of the cell.
cell pores are just the same as the pores on your skin but on cells. also you cant get any pimples or blackheads if germs or bactiria touches the cell pore the cell just self distruct itself
to control the movement of substances into and out of the cell
proteins help control movement of substances through cell membranes.
Cell Membrane
Some of the proteins and lipids do control movement of materials into and out of the cell.
cell membrane
It is a thin layer that surrounds the cytoplasm. Its funtion is to control the movement of materials going in and out of the cell.
Cell membrane pores are made up of protein.
Companion Cell
they can control their movements because they do sexual intercourse