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Department
Biology
Course
BIOLOGY 1A03
Professor
Lovaye Kajiura
Semester
Fall

Description
Lecture 6 Sept 19September1912126 PM The fluidity of membranes online diagramPhospholipid FluidityPhospholipids move laterally and sometimes very rarely there is a flip flop of the phospholipids Rare because of the hydrophilic and hydrophobic going to other side Cholesterol at moderate temp cholesterol restrains phospholipids movement reduces fluidity At low temps Cholesterol prevents the close packing of phospholipids enhances fluidityAmbient Temperature as temp increases permeability increases As temp decreases strong hydrophobic interactions between saturated hydrocarbon tails cause them to solidify more readily in comparison to unsaturated hydrocarbon tails Diffusionhigh conc To low conc water diffuses from low concentration to high concentration when talking about the soluteMovement may or may not be through a membraneWater diffuses from less concentrated solution hypotonicA more co
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