1.

The cell wall of different organisms differ. Is it true?

Answer»

Yes, it is true. The cell wall of different organisms differs in their composition.

Cell walls exist in all kingdoms except for the animals: plants, protists (algae), fungi, bacteria, and archaea. And in all these, the cell wall is made of different materials and composition.

Example:

Type of cellComposition
Plant cell wallCellulose, pectin, lignin
Bacterial cell wallscellulose and polysaccharides
Archaeal cell wallsPseudo-peptidoglycan
Fungal cell walls Chitin



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