lab 6- isolation and transfer of pure cultures Flashcards
1
Q
The spread plate technique is another method for ___________
A
achieving isolated colonies
2
Q
serially diluted is used to
A
reduce the number of microbes present
3
Q
spread plate technique
A
used to estimate the number of microbes present in a stock sample
4
Q
After incubating, the number of ___________ on each plate are counted
A
colonies
5
Q
It’s common practice to count only plates that contain between ______________ colonies [to prevent errors]
A
30-300
6
Q
colony forming unit
A
Each colony is derived from a single microbe
6
Q
Formula for obtaining number of organisms in a stock culture
A
of colonies
_________________________________
(dilution factor) x (volume plated)
7
Q
What bacteria did we use in this lab?
A
staphyloccus and e coli
8
Q
A
