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Meaning of GRAM-NEGATIVE

Pronunciation:  gram 'negutiv

 
WordNet Dictionary
 
 Definition: 
[adj]  (of bacteria) being or relating to a bacterium that does not retain the violet stain used in Gram's method
 

GRAM-NEGATIVE is a 13 letter word that starts with G.

 

 Antonyms: gram-positive
 

 

 

Biology Dictionary
 
 Definition: To describe a prokaryotic cell whose cell wall stains pink (negative) in Gram stain. The cell wall of a gram-negative bacterium contains relatively little peptidoglycan but contains an outer membrane composed of lipopolysaccharide (LPS), lipoprotein, and other complex macromolecules.
 

 

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