Plant cell anatomy. a Generalized drawing. b, Transmission electron micrograph of young leaf cell. See Table 4.1 for a description of these structures, along with a listing of their functions. microtubule uclear central vacuole nuc nucleolus nuclear chloroplas rough ER smooth ER plasma membrane Golgi apparatus mitochondrion intracellular space middle lamella cell wall of adjacent cell Figure 1-0Figure 1-0