Population Statistics within the Arizona Department of Administration and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties,
The Cell Membrane. The Structure of the Cell Membrane. The cell membrane (or plasma membrane) surrounds all living cells, and is the cell's most important organelle. It controls how substances can move in and out of the cell and is responsible for many other properties of the cell as well.
Cell Parts and Organelle Functions -. The cell membrane (or plasma Membrane) is a structure that forms the outer boundary of the cell and allows only certain materials to move into and out of the cell. Food, oxygen and water move into the cell through the membrane.Waste products also leave through the membrane.he cell wall is a rigid structure outside the cell membrane that. supports and protects the cell (for plants, fungi, and some. protists and bacteria). The cell wall is made of tough cellulose fibers and other. materials made by the cell.