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BIO130H1 (434)
Lecture

Second Half Lecture 3

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Department
Biology
Course
BIO130H1
Professor
Jane Mitchell
Semester
Winter

Description
Lecture 3Mar 812Membrane Transport of Small MoleculesLipid bilayer permeabilityHydrophobic nonpolar molecules are permeablePolar molecules and ions are impermeable HO exception2Movement across membrane is through diffusion high to low concentrationMembrane transport proteins overviewUsed to transport polar molecules and ions across membraneMultipass moleculesEx alphahelicesbeta barrelsTransporter proteinsCarrier proteins Binds to specific solute undergoes conformational changeConformational change allows protein to physically direct solute movementCan be either passive or act
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