Vesicular Pathways C15c I. Exocytosis A. Definition B. ER modifications 1. disulfide bond formation 2. glycosylation a. glycocalyx 3. quality control 4. ex. cystic fibrosis 5. UPR C. Golgi apparatus 1. location 2.structure - cisternae 3. faces a. cis b. trans D. Lipids E. Secretion 1. constitutive exocytosis pathway 2. regulated exocytosis pathway a. secretory vesicles II. Endocytic Pathways A. Endocytosis 1. process a. endocytic vesicle 2. pinocytosis 3. phagocytosis a. phagosome B. Process 1. phagocytosis a. pseudopods b. phagosome 2. pinocytosis C. Receptor-mediated endocytosis 1. ex. cholesterol import D. Endosomes 1. compartment 2. early 3. late 4. function a. transcytosis E. Lysosomes 1. membrane proteins 2. marker a. mannose 6-phosphate 3. autophagy