Domains of Life; Prokaryotic vs. Eukaryotic Cells

ID #2370

I'm trying to fathom the differences between plasma membrane and the cell wall. Mr. Mehrtens declared that the plasma membrane is what separates the cytoplasm from the outside world, but itsn't that the essentially the same function of the cell wall? I understand that only plants and bacteria have cell walls but do they also have plasma membranes? Thanks.

Plant and bacterial cells do have plasma membranes as well, located just inside (closer to the cytoplasm) the cell wall. The cell wall offers extra support to plant and (most) bacterial cells. It also provides some more protection for the cells. 

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