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Cell wall is a mass of protoplasm generally made of hard substance. It is the outermost covering of the plant cell.
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Cell wall is the outermost layer present in a plant cell.it is a thick non-elastic and rigid n non-living membrane made of cellulose. it is present because plants cannot move, thus, not able to protect themselves from harsh climate like we humans or animals can.so a cell wall provides protection n shape to a plant cell.
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