Nucleus uclear pores Golgi vesicle Inner nucl Outcr nuclear Nuclear pores Rough ER micrograph of a thin section of an Arabidopsis(plant, A Figure 4-34 Views of the nuclear envelope. (a)Electre showing the porcs between the nuclear membranes. ' The rough endoplasmic reticulum and stacks of Golgi vesicles are lc.(b) A freeze-fractured be filled with ular sub stance, Part (a) courtesy of Biopboto Associates Myron C,E Ledbetter/Brookhaven National Laboratory; part(b)courtesy of D. Brar