VPH 123.2 Flashcards
1
Q
can bacteria sporulate
A
yes
2
Q
T/F Prolonging the lag phase so that bacteria would not multiply
A
T
3
Q
T/F prevent lag phase by preventing a conducive envt for bacteria to grow
A
F. log
4
Q
high initial count = __ shelf-life
A
shorter
5
Q
low initial count = __ shelf-life
A
longer
6
Q
pH of acidophiles
A
> 5.5
7
Q
pH of alkaliphiles
A
8.0-11.5
8
Q
pH neutrophiles
A
5.6 - 7.9
9
Q
T/F Cells prefer internal environments with pH similar to that of the cytoplasm
A
F. external
10
Q
pH of cytoplasm
A
7.2
11
Q
Optimum pH for growth of bacteria
A
4.6-7.5
12
Q
grow best at relatively low temps
A
psychofiles
13
Q
capable of growing at low temperatures, preferring moderate temperatures
A
psychotropes
14
Q
coexist with warm-blooded organisms, Capable of growing at freshly dressed carcass
A
mesophiles
15
Q
Largest group of bacteria based on temp range
A
mesophiles
