Answer:
Cell membrane is the organelle forms the surface of a cell separating its content from the outside world.
Explanation:
- It is outer most layer of cell which is a barrier for molecules and ions freely floating outside to enter the cell.
- It is usually made up of lipid bilayer with some proteins embedded in it.
- The lipid layer made it hydrophobic which repels water content from both sides.
- Water content (cytoplasm ) of cell remains in cell due to cell membrane.
