Question

compare and contrast the cell membr
in the text area below compare and contrast a cell
membrane and cell wall.
done
7 of 8

Explanation:

Both cell membrane and cell wall are structural components of cells. The cell membrane is a thin, flexible layer made of lipids and proteins. It is present in all cells (plant, animal, bacterial etc.). It controls the movement of substances in and out of the cell (selectively permeable). The cell wall is a rigid layer. In plants, it is made of cellulose; in bacteria, of peptidoglycan. It is not present in animal cells. It provides structural support and protection to the cell.

Answer:

Cell membrane: Thin, flexible, made of lipids and proteins, present in all cells, selectively permeable (controls substance movement). Cell wall: Rigid, composition varies (cellulose in plants, peptidoglycan in bacteria), not in animal cells, provides support and protection.