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Plasma membrane is porous in nature. It is a semi- permiable membrane that surrounds the cytoplasm of a cell. It is very protective and protects the cell by allowing only selective and useful substances through it. Hope this helps and all the best.... plz mark as the best if possible :-)
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yes  Plasma membrane is porous in nature & It is a semi permeable membrane that surrounds the cytoplasm of a cell. 
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