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Purpose of Cellulose Cell Wall and Lignified Cell Walls in Plants

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Purpose of Cellulose Cell Wall and Lignified Cell Walls in Plants

Question

Explain:
a) A mature plant cell does not lose its shape even after loosing water.
b) Xylem vessels do not collapse even when they do not contain water

Answer

a) The presence of a cellulose cell wall helps in the maintenance of shape in a mature plant cell, even when it loses water
b) Xylem vessels remain rigid and do not collapse, even in the absence of water, due to the presence of lignified cell walls.