1.

Differentiate between cell wall and cell membrane. ​

Answer»

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⚫ Cell wall :-

➝ Cell wall is present in plant cells.

➝ It lies on the outer SIDES of the cells.

➝ It is thick and non living in plant cells.

➝ It is rigid and generally permeable.

➝ It is MADE up of pectin,cellulose and hemicellulose.

➝ It provides strength and protection to the cell.

⚫ Cell membrane :-

➝ It is present in both plant and animal cells.

➝ It lies on the exterior of the animal cells and on the interior to the cell wall in plant cells.

➝ It is thin and living.

➝ It is FLEXIBLE and selectively permeable.

➝ It is made up of lipids,protein and carbohydrates present in a SMALL number.

➝ It holds the cellular contents and CONTROLS the passage of material in and out of the cells.



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