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Plasma membrane - Definition


The plasma membrane, also called the cell membrane, is the thin protective layer enveloping the body of each cell. The plasma membrane consists of two layers of lipids, fats linked with different proteins performing the roles of receiving information or transporting molecules. The plasma membrane forms a barrier between the interior of the cell and the rest of the body. It allows substances that it needs to function to pass inside the cell. The plasma membrane and is the main guarantor of exchange between the cells and the rest of the body.