Lab 07 Flashards Flashcards
(6 cards)
1
Q
What is the primary dye for a gram stain?
A
purple
2
Q
What chemical is used as the mordant?
A
Iodine
3
Q
What is the decolorizer?
A
Alcohol/Acid tone & Isopropanol or 95% ethanol
4
Q
What is the secondary dye?
A
Safranin
5
Q
What is the final color of Gram-positive bacteria?
A
Purple
6
Q
What is the final color of Gram-negative bacteria?
A
Red or pink
