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ICSE Class 9 Answered

how are fibers different from cell?
Asked by | 07 Jul, 2012, 05:25: PM
answered-by-expert Expert Answer
Plant fibers are elongate cells with tapering ends and very thick, heavily lignified cell walls. Fiber cells are dead at maturity and function as support tissue in plant stems and roots. The lumen or cavity inside mature, dead fiber cells is very small when viewed in cross section.
 
Fibers are one of the components of sclerenchyma tissue. Fibers are also associated with the xylem and phloem tissue of monocot and dicot stems and roots, but generally not in the wood of gymnosperms. 
Answered by | 09 Jul, 2012, 08:18: AM

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