Section 4 Quiz Flashcards
1
Q
Halophiles would most likely be found in the:
A
Dead Sea
2
Q
What is the most powerful means of sterilizing?
A
Steam under pressure
3
Q
Microaerophiles require:
A
2-10% oxygen in the environment
4
Q
If a cell is placed in a hypertonic solution, it will:
A
Shrink
5
Q
Which of the following organisms would most likely be a pathogen:
- Psycrophiles
- Mesophiles
- Thermophiles
- Cryophiles
A
Mesophiles
6
Q
Bacteria that make their own food are called:
A
Autotrophs
7
Q
Most bacteria prefer to live in the presence of UV light. (T/F)
A
False
8
Q
Prefer to live aerobically, but can live anaerobically:
A
Facultative anaerobes
9
Q
What pH would human pathogens prefer?
A
7.4
10
Q
In this type of symbiosis, both organisms benefit:
A
Mutualism
11
Q
An antiseptic is most likely applied to a:
A
Living body
12
Q
Bacteria are mostly made of:
A
Water
