Basic Bacteriology Flashcards
1
Q
What test identifies Staphylococcus?
A
Catalase test
2
Q
What does a coagulase test identify?
A
Bubbly sample indicate Staphylococcus aureus
3
Q
What test is used to find out if bacteria have flagella?
A
Motility test were stab mark is made into agar. If fully red, then the bacteria are motile
4
Q
What is the difference between selective media and differential media?
A
Selective media contain compounds/ reagents that effect growth
Differential media, is where two related species can grow, but one of these can utilise the differential agent, resulting in change that can be detected via colour change
5
Q
Describe the different haemolysis
A
- Beta-haemolysis: Clear zone surrounded by halo
- Alpha-haemolysis (Partial): Some bubbles
- No haemolysis
