Question

The presence of _____ in the cell wall makes the walls somewhat rigid.

cellulose

cell membrane

chloroplast

chlorophyll

Answer 1

The answer is cellulose,
Cell wall is made up of cellulose which gives it support to the cell and makes it rigid..
It cannot be cell membrane as it is a complete different part of the cell and controls what goes in and out of the cell, it is not responsible for supporting the cell