Lab: Bacteria Flashcards
0
Q
Gram stain of E. coli
A
Gram (-)
1
Q
What is the morphology of E. coli?
A
Bacilli
2
Q
Colony appearance of E. coli
A
Beige colonies
3
Q
Details of E. coli
A
- most commonly worked with bacteria
- most strains harmless, typically hear about O157:H7 that causes food poisoning
- ubiquitous
- part of Enterobacteriaceae family
- molecular “workhorse”
4
Q
What’s the morphology of S. aureus?
A
Cocci
5
Q
Gram stain of S. aureus
A
Gram +
6
Q
Colony appearance of S. aureus
A
Golden yellow
7
Q
Details of S. aureus
A
- golden grape bunches
- normal part of skin flora but typically hear about MRSA
- staph typically blamed for Strep infections
8
Q
Morphology of S. mutans
A
Cocci
9
Q
Gram stain of S. mutans
A
Gram +
10
Q
Colony appearance of S. mutans
A
Opaque colonies
11
Q
Details of S. mutans
A
- normal part of oral flora
- responsible for carb metabolism thus creating an acidic environment that contributes to dental caries
- forms dental biofilms
12
Q
Morphology of P. hauseri
A
Bacilli
13
Q
Gram stain of P. hauseri
A
Gram -
14
Q
Colony appearance of P. hauseri
A
Opaque colonies
15
Q
Details of P. hauseri
A
- highly motile
- found in intestines of humans and animals, soil and water
- known to cause UTIs
16
Q
Morphology of B. cereus
A
Bacilli
17
Q
Gram stain of B. cereus
A
Gram +
18
Q
Colony appearance of B. cereus
A
Fluffy white colonies
19
Q
Details of B. cereus
A
- often used as probiotic for animals
- harmless except for strains that cause fried rice syndrome
- can produce endospores