Gram Staining
Flashcard
•
Biology
•
10th - 12th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is Gram staining?
Back
A laboratory technique used to differentiate bacterial species into two groups based on the characteristics of their cell walls.
2.
FLASHCARD QUESTION
Front
What is the purpose of heat fixing a bacterial smear?
Back
To affix the cells to the slide, making them adhere during the staining process.
3.
FLASHCARD QUESTION
Front
What color do Gram positive bacteria appear after the first dye is applied?
Back
Purple.
4.
FLASHCARD QUESTION
Front
What component of the bacterial cell wall holds the stain during Gram staining?
Back
Peptidoglycan.
5.
FLASHCARD QUESTION
Front
What is a mordant in the context of Gram staining?
Back
A substance used to fix the dye onto the bacteria, enhancing the staining process.
6.
FLASHCARD QUESTION
Front
What is the mordant used in the Gram stain procedure?
Back
Iodine.
7.
FLASHCARD QUESTION
Front
What is the role of crystal violet in Gram staining?
Back
It is the primary stain that colors all bacteria initially.
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