Lecture17-Unit5-Endocytosis-student

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Unformatted text preview: n- selec>ve. Figure 13-49 Molecular Biology of the Cell (© Garland Science 2008)   Fluid and macromolecules from the extracellular region are taken up without regard to the type or concentra>on of molecules present.   There are no specific receptors for uptake of macromolecules.   May or may not use coated vesicles. Pinocytosis, a con>nuous process where cells remove excess membrane added by exocytosis allowing recycling of the PM lysosome endosome Exocytosis & Endocytosis balance each other 3. Receptor Mediated Endocytosis (RME) Cells internalize parts of plasma membrane along with fluid and macromolecules via a receptor- mediated process in small vesicles from extr...
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