Cells can be divided into two major compartments: the cytoplasm and the nucleus. The cytoplasm and the nucleus not only play distinct functional roles but also work in concert to maintain the cell's viability.
Specific functions are identified with specific structural components and domains within the cell
Some cells develop one or more of these functions to such a degree of specialization that they are identified by the function and the cell structures associated with it. For example, although all cells contain contractile filamentous proteins, some cells, such as muscle cells, contain
The cytoplasm contains organelles and inclusions in a cytoplasmic matrix
Organelles, or "little organs," include the membrane systems of the cell and the membrane-limited compartments that perform the metabolic, synthetic, energy-requiring, and energy-generating functions of the cell, as well as nonmembranous structural components.
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