If I remember correctly, it should be the cell membrane.
the cell membrane controls what goes in and out the cell
the cell membrane
Cell membrane
IT CONTROLS WHAT GOES IN AND OUT OF THE CELL
controls what goes in and out of the cell.
it controls what goes in and out of the cell.
It controls what goes in and out of a cell.
It controls what goes in and out of the cell.
semipermeable cell membrane
cell membrane
cell membrane
The Plasma Membrane