Chapter 3 notes

Chapter 3 notes - 9-9-08Chapter 4Prokaryotic CellsBacteria...

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Unformatted text preview: 9-9-08Chapter 4Prokaryotic CellsBacteria and ArchaeaProkaryotes•Genetic material not enclosed with a membrane•Absence of other membrane-enclosed organelles•Cell division by binary fission•Small; <1.0-3.0 micrometers in diameter•Comprised of bacteria and archaeaProkaryotic Cell•External structuresoGlycocalyx – Capsule or slimeoFlagellaoFimbriae and PiliInternal structuresoCytoplasmoNucleoidoRybosomesFlagellaoLong, whip-like structures that extend beyond surface of celloResponsible for movementoPresent in some bacteriaArrangements of FlagellaoMonotrichousSingle polar flagellumoLophotrichousTwo or more flagella at one or both ends of the celloAmphitrichousA single flagellum or a tuft of flagella on each end of the celloPertrichousFlagella distributed over the entire cellStructure of FlagellaoBasal body – anchors the flagellum to the cell wall and plasma membraneoHook – anchors the flagellum to the cell walloFilament – outermost region of the flagellum, composed of the protein – flagellin...
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This note was uploaded on 10/28/2008 for the course MCB 2000 taught by Professor Gantar during the Fall '08 term at FIU.

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Chapter 3 notes - 9-9-08Chapter 4Prokaryotic CellsBacteria...

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