What is one diffrence between a cell wall and a cell membrane

a) cell walls act like a boundary that nothing can pass through. cell membranes allow materials in and out of the cells

b) cell walls have gap junctions. cell membranes have plasmodesmata

c) cell walls are made of cellulose. cell membranes are made of proteins and phospholipids.

d) cell walls are found inside the cell membrane. the cell membrane is the outermost structure of the cell.

needed asap pls