1.

Define the nature of cell wall and substance it is made up of​

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Answer:

  • It is the outer non-living part of the cell but not an organelle which encloses cell MEMBRANE and provides a FIXED shape. It is an outermost, flexible, living organelle of the cell which provides shape to the cell. It is made up of pectin, chitin, LIGNIN, glycol proteins, glycolipids, sugar, and CELLULOSE.


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