Physiological Characteristics Flashcards
1
Q
Carbon utilisation
A
- ability to ferment a carbon source (dissolved in liquid; inverted Durham tube)
- milky yeast growth and bubble formation
- API tests
2
Q
Oxygen relations
A
- semi-solid medium with agar
- incubate upright
- observe where microbial growth occurs
3
Q
food
Osmotic tolerance
A
- food industry
- fortify foods against microbes by increasing the sugar/salt concentration
4
Q
Luminescence
A
ability to produce light
5
Q
Motility
A
- movement through culture medium
- appears as diffused growth
6
Q
Sensitivity towards antibiotics & metabolic inhibitors
A
- white discs containing antibiotics
- shows which microbes are resistant
7
Q
Photosynthetic pigments
A
- presence and type
- different pigments for different lineages
8
Q
Nitrogen sources
A
- urea
- similar to carbon test
sources
9
Q
Energy source
A
- light
- inorganic or organic
chemicals
10
Q
Storage Inclusions
A
starch, glycogen or lipids
11
Q
General characteristics
A
- nutrition type
- temperature
- pH
- salt requirements
- secondary metabolites
11
Q
Cell wall
A
types of lipids and carbohydrates
