25.2 Oligosaccharides are added to proteins in the er and golgi 含2 Figure 25. 6 The golgi apparatus consists of a series of individual membrane stacks Photograph kindl provide d by alain Rambourg 消当Figure 25.6 The Golgi apparatus consists of a series of individual membrane stacks. Photograph kindly provided by Alain Rambourg. 25.2 Oligosaccharides are added to proteins in the ER and Golgi