ABSTRACT

T h e Golgi apparatus i s a network o f flattene d smoot h membrane s a n d vesicles a n d

is closel y associate d wi t h th e E R . I t apparently receive s protein s fro m th e E R on

one sid e an d release s vi a secretor y vesicl e modifie d protein s o n th e othe r side .

Carbohydrates an d lipid s ar e added t o protein s t o for m glyco - an d lipoproteins .

Eukaryot ic cell s have a n internal scaffolding calle d the cytoskeleto n o r cytomatrix