The functions of plasma membrane in a cell are:
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It acts as a thin barrier separating the cytoplasm from the extra-cellular fluid in which the cell lives.
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Protects the cell from injury
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Flow of substances between cell organelles
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Cell recognition and adhesion
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Possess carriers for active transport
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Absorption of substances through microvilli
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Contains various receptors, recognition centres and points of attachment on its surface
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Plays an important role in phagocytosis, pinocytosis and endocytosis.
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Takes part in transmission of nerve impulse in nerve cells
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Causes compartmentalization
