Practical 4 Flashcards
1
Q
What is the function of oil immersion?
A
Prevents refraction of light rays so that all light passes directly into objective lens
2
Q
Colour of gram positive cells
A
Purple
3
Q
Colour of gram negative cells
A
Pink
4
Q
What stain stains mycobacteria
A
Acid fast stain
5
Q
What is the function of fixing smear?
A
Heat causes organisms to adhere firmly to slide