Final Exam Flashcards
1
Q
Describe the Microbial growth.
A
Lag phase - flat
Exponential phase(log)- pasaka
Stationary pahse - top flat
Death pahse - pa ubos
2
Q
True or false.
Refers to an decrease in cell number, and increase in cell size
A
False.
3
Q
Reproduction of bacteria
A
Binary fission
4
Q
Physical factors affecting growth
A
-pH
-temperature
-Radiation
-osmotic pressure
-Salinity
5
Q
Chemical factors affecting growth
A
-O2
- carbon
-Nitrogen
-Phosphorus
6
Q
Group of microbes based on temperature requirement.
A
-Psychrophiles or Cryophiles
-Mesophiles
- Thermophiles
-Hyperthermophiles
7
Q
Capable of growth at 50 degree Celsius or higher.
A
Thermophiles
8
Q
Growth between 80-113 degree Celsius .
A
Hyperthermophiles
9
Q
Growth and reproduction from -20-10 degree Celsius
A
