Memory Components of a CellVersion en ligne cell organelles par Dr. David Myers encloses cell, controls entrance/exit of materials plasma membrane the material within a living cell, excluding the nucleus. cytoskeleton cytoplasm the aqueous component of the cytoplasm of a cell site of protein synthesis in a cell controls a cells metabolism, stores genetic information network of membranous tubules within the cell, continuous with the nuclear membrane. endoplasmic reticulum short hairlike structures on the surface of certain cells, for movement mitochondria organelle where ATP is produced cytosol removes damaged organelles or pathogens within cells ribosomes lysosome nucleus cilia network of protein filaments and tubules in the cytoplasm of cells, giving them shape. golgi apparatus stores, alters, and packages secretory products