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Lecture 15

BIOL 1090 Lecture 15: BIOL 1090 - Lecture 15 - Dr. Mathur
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Department
Biology
Course
BIOL 1090
Professor
Terry Van Raay
Semester
Winter

Description
BIOL Lecture 15 Biological Membrane (cont.) The membrane membrane. Membranes 6nm huck (with associated uoder) srtable, and flexible C2. How wil tansition temp be oRected the dbl bonds in amount d unsaturated lipids n it increase. unsaturated H will become lower puds Structure Bological Membranes remain liqud 3elf Capable Epthelial ce are duna mice wrehin leaplet Apical PM Old movement to other eaflet is slow specific O o monosaci (Slip-flop FlexC Glossec) lateral Pu sec) basal memb membrane proteins difuse Uithu the bilayer roteins i resticted movement Some proteins do not move rapid movement is spachally limited range is biochem modificaticn can dramatically alter potcin mabilit %ignal transduction) Liad membrane micro-domains Small areas d the plasmA memorane are ennched in certain types d pids Cholesterol) relatively raid mous torm "tunctional compartment anchored pot ein O O O A A protein 3gal Not flux diRerence between influy and effluy influx motel als into-me cell o not allow mo Smati unchaged molecules cross membranes relatNe large polar/changed compounds cannet easily erOS spechic mechan sms exist the carto IIecl Tonsport many sukRtances .across memboms. chanisms SIC NIn. Simple d USIon Na Small charge on channels cure form integra membicane allows only one type d to pass Gren BIOL Lecture 15 Biological Membrane (cont.) The membrane membrane. Membranes 6nm huck (with associated uoder) srtable, and flexible C2. How wil tansition temp be oRected the dbl bonds in amount d unsaturated lipids n it increase. unsaturated H will become lower puds Structure Bological Membranes remain liqud 3elf Capable Epthelial ce are duna mice wrehin leaplet Apical PM Old movement to other eaflet is slow specific O o monosaci (Slip-flop FlexC Glossec) lateral Pu sec) basal memb membrane proteins difuse Uithu the bilayer roteins i resticted movement Some proteins do not move rapid movement is spachally limited range is biochem modificaticn can dramatically alter potcin mabilit %ignal transduction) Liad membrane micro-domains Small areas d the plasmA memorane are ennched in certain types d pids Cholesterol) relatively raid mous torm "tunctional compartment anchored pot ein O O O A A protein 3gal Not flux diRerence between influy and effluy influx motel als into-me cell o not allow mo Smati unchaged
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