Cytoskeleton Cytocomputer

Living organisms are collective assemblies of cells which contain collective assemblies of organized material called protoplasm. In turn, protoplasm consists of membranes, organelles, nuclei and the bulk interior medium of living cells: cytoplasm. Dynamic rearrangements of cytoplasm within eukaryotic cells account for their changing shape, repositioning of internal organelles, and in many cases, movement from one place to another. We now know that the cytoskeleton, a dynamic network of filamentous proteins, is responsible for cytoplasmic organization (Figures 5.1 thru 5.3).

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