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Option 2 : Possess only pitted thickenings
The correct answer is Possess only pitted thickenings.
- Plant fibres are elongated, most commonly sclerenchyma supportive plant cells with thick cellulose walls with a well-organized structure.
- Cellulose natural fibres are characterised by a fibrillar structure in which the crystalline arranged parts of cellulose I form a periodic array with amorphous cellulose molecules.
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