explain the structure and plasmamembrane
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All cells are surrounded by a plasma membrane. The membrane is composed of a phospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins. The plasma membrane is selectively permeable and regulates which molecules are allowed to enter and exit the cell.
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plasma membrane is a layer of cell
it be work as watchman
because only good and use full material are enter by plasma membrane
ex water,oxygen.........
mark me as brainly
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