Microbiology - Identification of Bacteria - Discussion

Discussion :: Identification of Bacteria - Section 1 (Q.No.3)


Which of the following is a substitute for crystal violet used in gram-staining procedure?

[A]. Methylene blue
[B]. Bromocresol green
[C]. Safranin
[D]. Phenolpthalene

Answer: Option A


No answer description available for this question.

Muhammad Siddique said: (Nov 29, 2012)  
If the crystal violet is not available for gram staining so use the methyl violet or gentian violet as a substitute of crystal violet. (Monica vol. 2 for microbiology for tropical country. ).

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