Question

what is cell wall and cell membrane composed of

Answer 1

heya mate..
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here is your answer..
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Cell walls are only found in plant cells and are used primarily to create structure, but cell membranes are found in all cells. The bulk of the membrane is composed of a double layer of lipids called the lipid bilayer.
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Answer 2

cell membrane is made up of proteins and lipid s. Actually it is composed of glycoproteins , phospholipids, glycolipids, proteins
cell wall - plants (cellulose )
fungi (chitin)
bacteria (peptidoglycan)