Question

while all cells have a cell membrane, not all cells have a cell wall. the cell membrane is a flexible barrier that encloses the cell and regulates the passage of substances in and out of the cell. it is composed of a lipid bilayer embedded with proteins. on the other hand, the cell wall is a rigid structure located outside the cell membrane. it provides additional support, shape, and protection to the cell. the materials of the cell wall varies across different organisms, with plants containing cellulose, bacteria having peptidoglycan, and fungi possessing chitin in their cell walls. what is the main material plant cell walls are made from? actin amylose cellulose

Explanation:

The text states plants have cellulose in cell - walls.

Answer:

C. cellulose