Question

What is the main function of cell wall?

Answer 1

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A cell wall provides the cell with both structural support and protection, and also acts as a filtering mechanism. 

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Answer 2

Cell wall: It permits the plant cell to become turgid. As water enters the vacuole osmosis, the plant cell expands.
It provides mechanical strength to support the cell.
It is freely permeable to water and substance in solution.
It has narrow pores , called pits , through which fine strands of cytoplasm , called plasmodesmata.
The cell walls of adjacent cells are glued together by the middle lamella.


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