Growth & Metabolism II Flashcards
1
Q
Psychrophiles
A
Metabolism optimized for low temperature
2
Q
Osmolarity
A
Halotolerance: salt tolerance
3
Q
Oxygen
A
Oxygen in the air is extremely toxic to some microorganisms
Metabolism generates oxygen radicals
4
Q
Superoxide Dismutase
A
Enzyme that detoxifies radicals
5
Q
Catalase
A
Enzyme that converts hydrogen peroxide into water
6
Q
Acidity
A
Dramatic changes in pH levels denatures proteins
7
Q
What conditions influence bacterial growth?
A
- Temperature
- Osmolarity
- Oxygen
- Acidity