Lab 1 motility determination Flashcards
1
Q
what enables motility in bacteria?
A
flagellum
2
Q
chemotaxis
A
movement away form harmful substances
3
Q
what do gram positive cells contain (flagellum)?
A
s and m rings
4
Q
What do gram negative cells contain (flagellum)
A
s,m,l and p rings
5
Q
what is pmf
A
proton motive force
6
Q
how can you determine motility
A
wet mount
hanging drop technique
7
Q
wet mount
A
drop placed on cell, covered rapid swimming is seen
8
Q
hanging drop technique
A
petroleum jelly and a concave slide
9
Q
brownian motion
A
causes cells to jiggle about
10
Q
how else can you see motility
A
inoculate .4% agar jelly
