Lab 3 Flashcards
1
Q
Wet mounts, how to prep?
A
- drop of liquid in a slide
- coverslip applied
2
Q
advantages of wet mounts?
A
cell shape and motility
3
Q
disadvantage of wet mounts?
A
can’t see the bacterias cell wall
4
Q
stain cell?
A
colorer le bay
5
Q
disadvantage of stain cell?
A
dead cell are also there no motility
6
Q
advanatge of stain cell?
A
cell stay stiff
7
Q
what is the difference in contrast with stain and wet6
A
better in stain
8
Q
how u find magnification?
A
10 x le bay (multypli magnification with the ocular lense)
9
Q
after how many minutes will dry out A wet mount?
A
will dry out after 15 minutes
10
Q
in a liquid cultures is the broth disturbed?
A
no
11
Q
why we don’t use oil immersion with wet mount?
A
difficult to prepare a wet mount thin enough so that it can be observed under an oil immersion objective
