lecture 7.txt

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epaynich
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16460
Filename:
lecture 7.txt
Updated:
2010-04-27 15:26:28
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Micro lecture
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Micro 221 lecture 7
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  1. lecture 7
    appendages and internal structures
  2. capsule or slime layer outside bacteria made of carbohydrates
    glycocalyx
  3. tightly organized glycocalyx used for protection and attachment
    capsule
  4. loosely organized glycocalyx used for attachment primarily
    slime layer
  5. accumulation of bacteria on wet surfaces
    biofouling
  6. propeller used for movement
    flagellum
  7. forms the propeller of flagella; made of flagellin
    filament
  8. joint between filament and bushing
    hook
  9. piece of a flagellum that doesn�t turn
    stator
  10. piece of flagellum that turns
    rotor
  11. holds flagella in place in cell
    membrane bushings
  12. dtermins the direction of the flagellum
    c- ring
  13. movement towards a chemical attractant
    chemotaxis
  14. swimming smoothly forward is called what term for bacteria
    run
  15. reorienting for a bacteria moving is called
    tumble
  16. hairlike appendage used for attachment, gene transmission and twitching
    pilus
  17. longer thicker pilus that attaches to another bacterium to transfer DNA
    F-pilus
  18. sending DNA between bacteria through fertility pilus
    horizontal gene transfer
  19. movement by pilus �like spiderman�
    twitching motility
  20. electron transfer between bacteria through pili like structure is called
    nanowire
  21. plastic polymer for storage of carbon
    polyhydroxybutyrate granules
  22. volutin/ metachiamitic granules for storage of phosphate
    polyphosphate granules
  23. stores sulfur as source of electrons
    sulfur granules
  24. stores high concentration of enzymes that reduces carbon dioxide
    carboxysomes
  25. what are two structures that store pigments for photosynthesis
    chlorosoems and phycobilisomes
  26. __ vesicles are used for floating
    gas
  27. localized high concentration of magnetite
    magnetosomes
  28. dormant form of cell that forms during starvation
    endospore
  29. the term when the septum of mother cell and forespore is off center� ____ ____
    asymmetric septation
  30. __ is when the mother cell engulfs forespore
    engulfment
  31. in an endospore what is loose and expansile peptidoglycan layers that soaks water from core
    cortex
  32. in endospore what is the outer layer made of proteins for protection
    coat
  33. in endospore, what is structure where proteins not sensitive to heat which causes dry endospores
    small acid soluble proteins
  34. ____ acid is the salt in the core that keeps the core dry
    dipicolinic

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