What does gram positive and gram negative mean ?  

@Neha, Dhananjay has answered correctly.

 

@Dhananjay, we really appreciate your contributions to this forum, Keep posting!!

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Gram-positive bacteria are those that are stained dark blue or violet by Gram-staining.This is in contrast toGram-negative bacteria, which cannot retain the crystal-violet stain,instead taking up thr counterstain (safranine or fuchsine) and appearing red or pink. Gram-positive organisms are able to retain the crystal violet stain because of the high amount of peptidogylcan in the cell wall. Gram-positive cell walls typically lack the outer membrane found in Gram-negative bacteria.

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dhanan pls answer my question also..plss

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hey dude why u make her confues more,,,,,,, se its one of the technique to identify the strain or type of bacteria, over.

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wat did u find "confusing" in my ans?

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thank you

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