Modern cell theory - composition and metabolic activities...

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Modern cell theory Modern biologists have made certain additions to the original cell theory which now states that: 1. All organisms are made up of cells. 2. New cells are always produced from pre-existing cells. 3. The cell is a structural and functional unit of all living things. 4.The cell contains hereditary information which is passed on from cell to cell during cell division. 5. All cells are basically the same in chemical
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Unformatted text preview: composition and metabolic activities. As the cells of different parts of an organism (such as epithelial cell, muscle cell, nerve cell, etc). vary in shape, size and internal structure, no cell can be described as a typical one. In spite of all these variations, they are all cells, showing certain common fundamental properties....
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