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Unformatted text preview: KEY FOR BICD 110 REVIEW PROBLEMS I. For each of the following molecules, indicate WHERE they could be found in the cell. a) LDL receptor plasma MB, endocytic vesicle MB, recycling endosme MB, all membranes between PM/endoxome/lysosome b) Signal Recognition Particle Receptor ER MB c) Ran-GTP predominantly nucleus, also some in cytoplasm d) Sar1-GTP ER MB e) Clathrin on surface of certain vesicles: TGN to late endosome, endocytic vesicle, TGN to secretory vesicles f) GPI anchored protein plasma MB or in Golgi where made, then in vesicles while being transported to surface g) Na/glucose symporter plasma MB of cells, or in compartment where made h) Adaptins in clathrin coated vesicles, associated with clathrin i) COPII on surface of vesicles (ER to Golgi) k) GlcNAc phosphotransferase - Golgi l) KDEL receptor in Golgi, ER, or vesicles between the two compartments II. Short answer questions a) Which of the following organisms would have the highest percentage of unsaturated fatty acid chains in their membranes? i) dog ii) bacterium that lives in thermal vent in Yellowstone iii) arctic fish b) Name two lipids that tend to be concentrated in lipid rafts....
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