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tiny-mole [99]
3 years ago
10

What hardens the cell wall​

Biology
2 answers:
Ivenika [448]3 years ago
8 0
Cellulose in plant cell walls and chitin in yeast and fungi cells
Damm [24]3 years ago
4 0
Sclerenchyma. sclerenchyma is a tissue composed of sclereids and fibres that have thickened.
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