Plasma membrane (cell membrane) is a very thin is a very thin membranous structure membranous structure. Lipid bilayers. Mechanical Mechanical barrier barrier to hold in the to hold in the 9 contents of the cell.
Plasma membrane (cell membrane)is a very thin is a very thin membranous structure membranous structure.Lipid bilayers.Mechanical Mechanical barrier barrier to hold in the to hold in the9contents of the cell.