Cell Membrane Definition And Function Pdf. The membrane also contains membrane proteins, including integral proteins that go across the Cell membrane allows only selected molecules to pass through it.
The plant cell membranes enjoy extra protection in the form of. In addition to the nucleus that is enveloped by a membrane, the plant cells are also containing other organelles. The main function of the cell membrane is to maintain the integrity of the cell interior.
Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell while keeping other substances out.
Cell membrane (plasma membrane) the thin layer of protein and fat that surrounds the cell. It is composed of water (about 85 percent), proteins (10 to 15 percent), lipids (2 to 4 percent), nucleic acids, inorganic salts and polysaccharides in smaller amounts. A cell may be defined as a unit of protoplasm bound by a plasma or cell membrane and possessing a nucleus. The main function of the plasma membrane is to protect the cell from its surrounding environment.
