1. Discovery of cell and the evolution of cell theory. (~1850s) MJ. Schleiden (1804-1884): Beitrage zur Phytogehesis(植物发 生论), Arch Anat Physiol 1838, 137-176
1. What is the purpose of glycosylation? Not only membrane glycolipids but nearly all of the proteins produced on membrane-bound ribosomes -integral membrane proteins, soluble enzymes in the lumens of EMS organelles and secretory proteins include parts of ECM- become glycoproteins