WHAT IS PLASMA MEMBRANE? WHAT IS ITS IMPORTANCE IN A CELL?
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The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
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it is a semi permiable membrane. it mainly helps in endocytosis and exocytosis
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