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Lecture 19

BIO206 Lecture 19.pdf

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Department
Biology
Course
BIO206H5
Professor
George S Espie
Semester
Fall

Description
Lecture 19November1113512 PMLipid Bilayer MembranesStructureLipid compositionchanges frequently to adjust to a larger global scalePropertiesFluidityProtein compositionMembranes are everywhereMassive proliferation of intracellular membrane increases surface area of cell Book Notes Page 1 They are unique amphipathic both hydrophilic head and hydrophobic tailMajor groups you find are phospholipids originating from 3 carbons glycerol covalently linked by fatty acid tail via ester linkage understand the structurePink the head groups varies these are modifications make molecule more less electrically charged form ionic interaction with other moleculesSphingolipid dont really need to know the structureSteroid lipids be aware of functionHydrophobic tail for cholesterol Book Notes Page 2
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