What are the main functions of a cell membrane

the main functions of the cell membrane are to control the flow of materials in and out of the cell.

The basic function of the cell membrane is to protect the cell from its surroundings. The cell membrane controls the movement of substances in and out of cells and organelles so D

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

answer; the above statement/question is (false);