Bacteria (physiology -function) Flashcards
1
Q
Nutrition for bacteria in general may be:
A
photosynthetic, lithotrophic, or heterotrophic
2
Q
Photosynthetic
A
utilize sunlight energy and CO2 from air for carbon
3
Q
Lithotrophic
A
utilize inorganic chemical energy and CO2 from air
4
Q
heterotrophic
A
digest complex organic compounds using secreted enzymes then absorb and utilize these nutrients and growth factors
5
Q
Physical requirements:
A
temp, OX, pH, salts
6
Q
Temp requirements
A
infectious bacteria are generally mesophillic
7
Q
Oxygen requirement
A
aerobes, facultative aerobes, microaerophiles, anaerobes
8
Q
pH requirement
A
most infectious bacteria prefer pH between 5-8
9
Q
Salt requirement
A
vary, but pathogens grow well in salt concentrations in the human body
