Lecture Exam 2 Flashcards
0
Q
Chemical requirements for bacterial growth?
A
Water Carbon source Minerals Oxygen Organic growth factors
1
Q
Physical requirements for bacterial growth
A
Temp
pH
Osmotic pressure
2
Q
Psycrophiles
A
Love cold temperatures
Best growth at 0-15 C
3
Q
Mesophiles
A
Love moderate temperatures
Best growth at 37 C
4
Q
Thermophiles
A
Heat loving
Best at 60-68 C
5
Q
Hyperthermophiles
A
Also called extreme thermophiles
Best at 90-100 C
6
Q
Minimum growth temp.
A
Lowest temp at which an organism grows
7
Q
Optimum growth temp
A
Temp. At which a species grows best
8
Q
Maximum growth temp.
A
Highest temp at which growth is possible
9
Q
acidophiles
A
Like to grow in an acidic environment
10
Q
What do acids do to proteins?
A
It denatures them
