Which of the following is not a function of the cell wall?
$(i)$ Provides shape to the cell.
$(ii)$ Protects the cell from mechanical damage and infection.
$(iii)$ Helps in cell-to-cell interaction.
$(iv)$ Provides a 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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