Factors affecting microbial growth Flashcards
1
Q
Oxygen Classes of Microorganisms
A
- Aerobes
- Anaerobes
2
Q
Aerobes?
A
use O2 in respiratino
3
Q
type of aerobes?
A
- Facultative
- obligate
- Microaerophiles
4
Q
type of anaerobes?
A
- obligate
- Aerotolerant
5
Q
what are microaerophiles?
A
they require oxygen but at levels lower than atmosphere
6
Q
for obligate anaerobes oxygen?
A
is harmful or lethal
7
Q
Anaerobes,aerotolerant?
A
Not required, and growth no better with O
8
Q
Obligate and facultative aerobes are usually grown in___with constant ____
of the culture to ensure _______ concentration in the medium.
A
- liquid
- shaking
- sufficient concentration O2