Which substance is present in the middle lamella of a cell which holds or glues the different neighboring cells together?

$A$ mature plant cell has . . . . . . .

In the middle lamella of plant cell walls,one of the main elements is

What is the bridge between two plant cells made of?

The middle lamella is primarily composed of which substance?

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.