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#Question id: 34082


Regarding Gram staining and bacterial cell wall characteristics, which statements are correct?

#XL - S Microbiology
  1. Crystal violet stains the thick peptidoglycan layer in Gram-positive bacteria
  2. The outer membrane of Gram-negative bacteria contains lipopolysaccharide (LPS)
  3. Teichoic acids are found in the outer membrane of Gram-negative bacteria
  4. Gram-negative bacteria retain the safranin counterstain

Answer:- Option(s): 1,2,4


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