what is significance of membrane ?
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Biological membranes have three primary functions: (1) they keep toxic substances out of the cell; (2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the ...
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It is living thin,elastic and selectively permeable membrane . It is made up of lipid bilayer
functions
It acts as mechanical barrier and protects the inner cell contents from external environment
It is selectively permeable in nature
significance=functions
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