Differences between cell membrane and cell wall are
Cell Membrane :
It is found in both prokaryotes and eukaryotes.
Its function is to separate the components inside the cell from outside.
It provides support to the cytoskeleton of the cell, give shape to the cell.
Cell Wall :
It is found in only plant cells as well as bacteria, fungi, algae and some archaea, i.e., absent in animal cells and Protozoa.
Its function is to provide strength and rigidity to the cell.
It provides strength and rigidity to the cell.