A membrane that only "lets" certain molecules in while keeping other molecules out is _Semi permeable membrane ___.
- Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by osmosis.
What are the functions of semi permeable membrane?
The functions are:-
- To allow passage of materials in and out of the cell.
- To separate the internal and external environment of the cell.
- To recognize materials that need to enter in the cell because there are protein which act receptor site.
- Cell to cell recognition.
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