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The Cell Membrane is a Fluid Mosaic. A cell is the basic unit of life, and all organisms are made up of one or many cells. One of the things that all cells have in common is a cell membrane. It is a barrier that separates a cell from its surrounding environment. This outer boundary of the cell is also called the plasma membrane.
The results of this experiment were key in the development of the fluid mosaic model of the cell membrane by Singer and Nicolson in 1972. According to this model, biological membranes are composed largely of bare lipid bilayer with proteins penetrating either half way or all the way through the membrane.he results of this experiment were key in the development of the fluid mosaic model of the cell membrane by Singer and Nicolson in 1972. According to this model, biological membranes are composed largely of bare lipid bilayer with proteins penetrating either half way or all the way through the membrane.