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2015-04-17T19:59:03+05:30

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It is the boundary that surrounds cytoplasm of a cell.It helps in transport of molecules.
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2015-04-17T19:59:53+05:30
Plasma membrane is nothing but its a microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or encloses a vacuole, and regulates the passage of molecules in and out of the cytoplasm.
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