what enables motility in bacteria?
flagellum
chemotaxis
movement away form harmful substances
what do gram positive cells contain (flagellum)?
s and m rings
What do gram negative cells contain (flagellum)
s,m,l and p rings
what is pmf
proton motive force
how can you determine motility
wet mount
hanging drop technique
wet mount
drop placed on cell, covered rapid swimming is seen
hanging drop technique
petroleum jelly and a concave slide
brownian motion
causes cells to jiggle about
how else can you see motility
inoculate .4% agar jelly