Becker, B., Bolinger, B. & Melkonian, M. Anterograde transport of algal scales through the Golgi complex is not mediated by vesicles. Trends in Cell Biology 5, 305–307 (1995) doi: 10.1016 ...

Cells have extensive sets of intracellular ... The carbohydrates that the Golgi attaches to membrane proteins are often quite complex, and their synthesis requires multiple steps.