General Subdivisions of a cell A Nucleus (regulatory 召. Plasma center of the Membrane cell) (Selectively permeable boundary C Cytoplasm between the (everything cell and the between the environment plasma membrane and the nuclear Organelles are individual compartment compartments in the cytoplasm5 General Subdivisions of a Cell A. Nucleus (regulatory center of the cell) B. Plasma Membrane (selectively permeable boundary between the cell and the environment) C. Cytoplasm (everything between the plasma membrane and the nuclear compartment) Organelles are individual compartments in the cytoplasm