Lab 7 Flashcards
(6 cards)
1
Q
Primary Dye
A
Ie: Crystal Dye- Basic: Attracts to cell wall coloring it purple. Will not wash off easily.
2
Q
Chemical used in Mordant
A
Iodine
3
Q
Decolorizer
A
Alcohol (Ethenol Isopropanol). This will decolorize the Gram - cells and Gram + cells will stay purple
4
Q
Secondary Dye
A
Safranin- Gram + Cells will stay purple and the Gram - Will become red.
5
Q
Gram Positive Final Color
A
Purple
6
Q
Gram Negative Final Color
A
Red
