lecture 2

lecture 2 - (The identity of this charged group varies...

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(The identity of this charged group varies among different bacteria)
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Saturated Not saturated
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a Hopanoid or other neutral lipid serves the same purpose in Bacteria . Cholesterol--a eukaryotic membrane lipid
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How does this structure do the same thing as both phospholipid and hopanoid?
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How do tetraether membranes resist higher temperatures than diether membranes?
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The unique chemistry of Archaeal membranes allows them to grow at temperatures of over 120˚ C.
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A cell wall is useful if you are hypertonic relative to your environment
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The Bacterial cell wall is made of a warp of sugar polymers and a woof of peptide polymers
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B. subtilis sacculi architectural features revealed by AFM Hayhurst E. J. et.al. PNAS 2008;105:14603-14608 © 2008 by The National Academy of Sciences
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Penicillin works by interfering with the enzyme that cross-links the peptide chains.
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There’s a lot we don’t know about cell wall assembly.
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“Gram Positives”
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This note was uploaded on 04/05/2011 for the course MIC 102 taught by Professor Appleman during the Fall '08 term at UC Davis.

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lecture 2 - (The identity of this charged group varies...

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