Gram Staining Flashcards
1
Q
What are the 4 things used in a gram stain?
A
Crystal violet
Iodine
Ethanol
Safranin
2
Q
How long is crystal violet, iodine and Safranin?
A
1 min
3
Q
How long is ethanol for?
A
15-20seconds
4
Q
What are the 2 outcomes of gram staining?
A
Positive or negative
5
Q
What does a positive look like & means what type of wall?
A
Purple
Thick peptidoglycan
6
Q
What does a negative look like & means what type of wall?
A
Pink
Thin peptidoglycan wall
