Exp 1: Gram staining Flashcards
1
Q
units order
A
m, mm, µm, nm, pm
2
Q
gram +
A
violet (presence of thick layer of peptidoglycan in their cell walls, which retains the crystal violet)
3
Q
gram -
A
red, (thinner peptidoglycan wall, which does not retain the crystal violet).
4
Q
Gram steps
A
fixation - cristal violet - iodine treatment - decolorization - safranin
5
Q
1 µm= mm
A
10-3
6
Q
1 nm = mm
A
10-6
7
Q
1 pm= mm
A
10-9
