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What is the diffrence between gram-positive and gram-
negative bacteria?
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Answer Posted / amol vibhute
Gram positive bacteria are those retain crystal violet dye
in gram staining protocol.They retain dark blue dye after
an alcovol wash.while Gram negative bacteria are those do
not retain crystal violet dye in gram staining
protocol.Gram stain test a counterstain (saffranin)is added
after crystal violet coloring all Gram Negative bacteria
apper red or pink.
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