Question

animal and plant cells
what is the function of the cell membrane?
what is the role of the cell membrane?
to control the functions of the cell
to provide a firm structure for the cell
to control what enters and leaves the cell

Explanation:

The cell membrane's function is to regulate the movement of substances in and out of the cell (selective permeability), control cell functions is the nucleus' role, and providing firm structure is the cell wall (in plants) or cytoskeleton's role. So the correct option related to cell membrane function is the one about controlling what enters and leaves.

Answer:

The option (the third rectangular box) with text "to control what enters and leaves the cell"