So this entire cell membrane will basically form a closed compartment in which we'll have an aqueous environment inside that is separate of the aqueous environment that is found on the outside. Number two, the major difference, or one important difference between my cells and the lipid bilayer is these structures can only form very small structures, but these can become very, very large. In fact, our diameter of my cells is usually 20 nm, but the diameter of these can be up to 1 million. That is a big, big difference. So these lipid bilayers can be very expensive. And that's exactly why our cells are made up of these or our cells containing these lipid bilayers, because cells can be very, very large in size and this would not be able to form that same cell membrane structure.