The cell wall of a lignified cell is ........ | vedclass

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Question

(B) Lignin is a complex polymer that deposits in the cell walls of certain plant cells,such as xylem vessels,tracheids,and sclerenchyma fibers.Lignin

Vedclass · Accepted Answer

Impermeable and dead.

Vedclass · Answer

(B) Lignin is a complex polymer that deposits in the cell walls of certain plant cells,such as xylem vessels,tracheids,and sclerenchyma fibers.Lignin deposition makes the cell wall rigid and impermeable to water and dissolved substances.Because the cell wall becomes impermeable,the protoplasm cannot exchange nutrients or gases,leading to the death of the cell.Therefore,a lignified cell is characterized by having an impermeable cell wall and being dead at maturity.

The cell wall of a lignified cell is .........

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