7. Which characteristic is correct between the cell walls of bacteria and archaea? (A) Archaea cell walls are primarily made of polysaccharide, while bacteria use lipopolysaccharide. (B) Bacterial cell walls contain peptidoglycan, which is lacking in the cell walls of archaea. (C) Archaea lack a cell wall. (D) Both domains use peptidoglycan as the primary structural component of their walls. (E) Cell walls of archaea are structurally similar to eukaryotic cell walls.