galactosyltransferase was found in a compact juxtanuclear structure previously shown to represent the golgi apparatus ( j. roth and e.g . berger ( 1982 ) j. cell biol . 93 , 223-9 ) , whereas sialyltransferase was localized to vesicles spread over the whole cytoplasm .
C0018042
golgi apparatus
C0007634
cell