Cell Function - Cell Function The structural and functional...

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Cell Function The structural and functional characteristics of different types of cells are determined by the nature of the proteins present. Cells of various types have different functions because cell structure and function are closely related. It is apparent that a cell that is very thin is not well suited for a protective function. Bone cells do not have an appropriate structure for nerve impulse conduction. Just as there are many cell types, there are varied cell functions. The generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, and protein synthesis. Movement of substances across the cell membrane The survival of the cell depends on maintaining the difference between extracellular and intracellular material. Mechanisms of movement across the cell membrane include simple diffusion, osmosis , filtration, active transport, endocytosis , and exocytosis . Simple diffusion is the movement of particles (solutes) from a region of higher solute concentration to a
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Cell Function - Cell Function The structural and functional...

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