The chemical component found in abundance in the middle lamella is ...... .

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

Give information about the chemical composition and function of the cell wall.

Which one is not a component of a normal plant cell wall?

Which of the following determines the shape of the cells and provides a strong structural support to prevent the bacterium from bursting or collapsing?

Which of the following cell structures is non-living?