Question

write the structural feature of cell wall and cell membrane

Answer 1

The outer layer of every cell is called cell membrane. It is found both in plant as well as animal cell.
The additional layer is present in only the plant cell inside the cell membrane for the protection of the cells.

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Answer 2

cell wall is made up of cellulose and present only in plant cell. It decide the shape of the plant cell. It prevents drying up of cells .It protects the plasma membrane and internal structures of the cell.It helps in the transport of various substances in and out of the cell. It does not allow too much water to come in .In this way it prevents the cytoplasm from becoming too dilute.
cell membrane is made up of proteins and lipids. It is a selectively permeable membrane. It gives a definite shape to the cell .It provides protection to the internal contents of the cell. It regulates entry and exit of substances in and out of the cell.