For Quiz 2 Flashcards
1
Q
different value for (the ruler thing)
A
each objective lens
2
Q
protozoans
A
single celled eukaryotes.
bacterial cells lack a nucleus, protozoans have organelles.
3
Q
what is amphyl
A
disinfectant. kills all the microbes.
4
Q
why do samples for electron microscopy have to be dry and stained with heavy metals
A
if its not dry, it will evaporate. it must be soaked in ethanol (to displace water) and be sliced off w plastic so the electrons wont be blocked, and it must be coated with heavy metal so it can absorb electrons.
5
Q
agar
liquifies at
solidifies at
A
97 C
42 C
6
Q
pattern of microbial death
A
die exponentially
7
Q
dry heating microbes
A
dry heat 172 C for 2+ hours
8
Q
tryptic soy broth
tryptic soy agar
A
both complex
