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MICROBIOLOGY

Topic 4 Quiz Gram Stain

QuestionAnswer
The primary stain of the Gram stain crystal violet
The secondary stain (counterstain) in the Gram stain safranin
The Gram stain differentiates bacteria into ______ groups. 2
_____ organisms have a thin peptidoglycan layer. Gram negative
The decolorizer ()destainer) in the Gram stain ethanol and acetone
Gram negative organisms have a thick peptidoglycan layer. False
Using the Gram stain procedure, Gram positive organisms stain _____. Purple
The mordant in the Gram stain iodine
Organisms having a cell wall with an outer membrane Gram negative
Using the Gram stain procedure, Gram negative organisms stain _____. red (pink)
Created by: user-1856136
 

 



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