Extra Microbiology Flashcards
1
Q
Why do you add ethanol?
A
To remove the purple from the gram negative bacteria
1
Q
Why do you add crystal violet?
A
To stain the cells purple
2
Q
Why do you add safranin?
A
To stain gram negative bacteria pink
3
Q
Why do you incubate the bacteria at 25 degrees for 24 hours?
A
To reduce the chance of pathogens
4
Q
How does the bacteria benefit from an endosymbiotic relationship?
A
Source of o2, protection from predation, constant environment
5
Q
How does the eukaryote benefit from an endosymbiotic relationship?
A
Increased ATP availability, increased size, compartmentalisation
