8 Questions
What is the primary purpose of the Gram stain?
To distinguish bacteria as Gram-positive or Gram-negative
What is the color of Gram-positive cells after the Gram stain procedure?
Purple
What is the purpose of the decolorizer in the Gram stain procedure?
To remove excess stain from the bacterial cells
What is the total magnification used to view the Gram-stained slide?
1000X
What is the recommended time to wait after applying the crystal violet to the slide?
15 seconds
What is the purpose of the counterstain in the Gram stain procedure?
To add color to Gram-negative cells
Why is it important to blot the slide with absorbent paper after staining?
To prevent the cells from coming off the slide
What type of microscope is used to view the Gram-stained slide?
Brightfield microscope
Test your knowledge of the Gram stain procedure, a differential staining technique used to categorize bacteria as Gram-positive or Gram-negative. Learn about the steps involved and the supplies needed.
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