You will NOT find a cell wall in which of these kinds of organisms?

a. plants

b. fungi

c. animals

d. all of the above

The best answer is c. - animals.

A cell wall is a rigid layer outermost layer in plant cells. It is made of a kind of carbohydrate called cellulose, which is a structural carbohydrate.

In animal cells, there is no cell wall but rather a cell membrane that is made up of phospholipids and some proteins. This cell membrane is semipermeable, allowing specific molecules to cross in and out of the cell. It is a delicate. It can only be properly seen under an electron microscope.