Cell membrane is possibly the most important organell in the cell. It holds the cell together keeping everything intact. It is mobile and moves along paths that membranes follow. It is composed of a phosolipid bilayer
Basic Definition cell membrane
The cell membrane is the thin layer that forms the outer boundary of a living cell or of an internal cell compartment The outer boundary is the plasma membrane and compartments enclosed by internal membranes are called organelles. Cell membranes have a dual function
(1) they both separate important but incompatible processes conducted in the organelles and keep toxic substances out of the cell
(2) they allow specific nutrients, wastes and metabolic products to pass between organelles and between the cell and the outside environment
Main Functions of cell membrane
• Holds cell together
• Controls whats goes out of cell
• Controls what comes into cell
• Manains homeostasis
Basic Definition cell membrane
The cell membrane is the thin layer that forms the outer boundary of a living cell or of an internal cell compartment The outer boundary is the plasma membrane and compartments enclosed by internal membranes are called organelles. Cell membranes have a dual function
(1) they both separate important but incompatible processes conducted in the organelles and keep toxic substances out of the cell
(2) they allow specific nutrients, wastes and metabolic products to pass between organelles and between the cell and the outside environment
Main Functions of cell membrane
• Holds cell together
• Controls whats goes out of cell
• Controls what comes into cell
• Manains homeostasis
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