differentiate between plasmamembrane and cell wall
Answers
BASIS FOR COMPARISON
Plasma Membrane is a delicate, thin structure of around 5-10nm wide and is visible under electron microscope, and it is present in all types of cell, helps in the passage of molecules and protects the protoplasm.
Cell Wall is a thick, rigid structure of around 4-20um wide and is visible under light microscope; it is present in plant cell, bacterial and fungal cell, helps in providing shape and rigidity to the cell.
Plasma Membrane is present in all types of cells.
Cell Wall is present in the plant cell, bacteria, fungi and algae.
Plasma membrane is made up of lipids and proteins and carbohydrates.
Cell wall is made up of cellulose (plant cell), chitin (fungi), and peptidoglycan (bacteria).
Plasma membrane consists of thin layers and is visible only through the electron microscope.
Cell wall consists of thick layers which are visible through the light microscope.
Plasma Membrane is Semi-permeable. Cell wall is Completely impermeable.
Plasma membrane have receptors, helps in cell-cell communication.
Cell wall does not have receptors.
Plasma Membrane has Same thickness throughout its life.
Cell wall’s Thickness grows with life.
Plasma Membrane
1.Protects protoplasm.
2.It separates the components present inside to outside environment.
3.Helps in cell-cell communication.
4.It allows the passage of molecules
Cell wall
1.Cell wall provides rigidity to the cell, protect the cell from external shock and other mechanical forces.
2.It is responsible for cell morphology.
3.It prevents large molecule to enter into the cell.
4.Also, prevent the cell from being toxic.
5.Helps in maintaining the osmotic environment of the cell.
Answer:
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