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Diversity in Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
Question
The cell wall of different organisms differ. Is it true?
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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 cell
Composition
Plant cell wall
Celluose, pectin, lignin.
Algal cell walls
Cellulose and polysaccharides.
bacterial cell walls
Peptidoglycan.
Archaeal cell walls
Pseudo-Peptidoglycan.
Fungal sell walls
Chitin.

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