Lab 7 Gram Stain Flashcards
1
Q
What is the primary dye?
A
Crystal Violet
2
Q
Which chemical is the mordant in the gram stain?
A
Iodine
3
Q
What is the decolorizer?
A
95% Ethanol or 75% Isopropanol & acetone 25%
4
Q
Which dye is the secondary dye?
A
Gram Safranin
5
Q
What is the final color of the gram negative bacteria?
A
Red
6
Q
What is the final color of the gram positive bacteria?
A
Purple
