'Fluid mosaic model describes' presentation slideshows

180 views • 16 slides

A view of the Cell

A view of the Cell. Discovery of cells. Microscopes enabled biologists to see cells and develop the cell theory. The cell theory states that the cell is the basic unit of organization, all organisms are made up of one or more cells, and all cells come from preexisting cells.

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KEY CONCEPT The cell membrane is a barrier that separates a cell from the external environment.

KEY CONCEPT The cell membrane is a barrier that separates a cell from the external environment. cell membrane. Cell membranes are composed of two phospholipid layers. The cell membrane has two major functions. forms a boundary between inside and outside of the cell

97 views • 9 slides