Question

give any three differences between cell wall and cell membrane​

Answer 1

Answer:

1. Cell membrane is present in all cells while cell wall is only present in plants, bacteria, fungi and algae.

2. Cells wall is made up of cellulose whereas cell membrane is made up of lipids and proteins.

3. Cell wall is non-living whereas cell membrane is living

Answer 2

Answer:

Cell Wall :

• Present only in plants and in some fungi, bacteria, algae.
• It is the outermost part of the plant cell
• It is made up of pectin, chitin, lignin, glycoproteins, glycolipids, sugar, and cellulose.
• The cell wall is 0.1 μm to several μm in thickness
• It is the thick and rigid structure with a fixed shape.

Cell membrane :

• Present in all types of cells, in humans, animals, plants, bacteria, etc.
• It is the outermost covering the animal cells
• It is a lipid bilayer. And is composed of lipoproteins and carbohydrates.
• The cell membrane is 7.5–10 nm in thickness
• It is a thin and delicate structure. It is flexible to change the shape as needed.

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