Chapter 1 Flashcards
1
Q
What are obligate aerobes?
A
Require oxygen for metabolism
2
Q
What are anaerobes?
A
Does not require oxygen for metabolism and rely on fermentation or another form of cellular metabolism
3
Q
What are obligate anaerobes?
A
Cannot survive in oxygen-containing environments
4
Q
What are facultative anaerobes?
A
Switch between using oxygen for aerobic metabolism and anaerobic metabolism if oxygen is not present
5
Q
What are aerotolerant anaerobes
A
Unable to use oxygen for metabolism but care not harmed by its presence
6
Q
Cell wall
A
Outer barrier of the cell
Provides: protection, structure, controls the movement of solutes into and out of the bacterium- allows the cell to maintain concentration gradients relative to the environment, may provide protection from the host’s immune system
