Which of the following is not the function of cell wall?
  1. Provides shape to the cell.
  2. Protects the cell from mechanical damage and infection.
  3. Helps in cell to cell interaction.
  4. Provides barrier to undesirable macromolecules.

A. Only (i)

B. Only (iv)

C. Only (ii), (iii) and (iv)

D. None of the above

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