The Structural Organization of Cells. The cell is the smallest matter that still absorbs the characteristics of life. All cells have three basic parts, a plasma membrane splits each cell from the environment, permits the flow of molecules across the membrane, and consist receptors that can affect the cell’s activities. A DNA-containing region occupies a portion of the interior. The cytoplasm contains membrane-bound compartments (except bacteria), particles, and filaments & end ash; all bathed in a semifluid substance. Eukaryotic cells are defined by their possession of a membrane-bound nucleus. Prokaryotic cells have no defined nucleus; the only representatives are bacteria.
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Plant cells have chloroplasts because they make their own food. Plant cells have a cell wall so that they do not burst when the central vacuole fills up with water. ... Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA.
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