Which substance is responsible for the thicke | vedclass

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(B) Xylem vessels and tracheids are the main conducting elements of the xylem tissue in plants.These cells have thick,lignified secondary walls.Lignin

Vedclass · Accepted Answer

Lignin

Vedclass · Answer

(B) Xylem vessels and tracheids are the main conducting elements of the xylem tissue in plants.These cells have thick,lignified secondary walls.Lignin is a complex polymer that provides structural support and mechanical strength to the plant body,allowing it to withstand the negative pressure generated during water transport.Therefore,the thickening of the walls of xylem vessels and tracheids is due to the deposition of lignin.

Which substance is responsible for the thickening of the walls of xylem vessels and tracheids?

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$A$: Cells of sclerenchyma have thickened secondary walls.
$R$: Cells have deposition of lignin.

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