The major difference between Gram-positive and Gram-negative bacteria?

Microbiologists use the gram stain to aid in identification of bacteria. What is the difference between Gram-positive and Gram-negative bacteria?

a) presence or absence of outer membrane

b) presence or absence of muramic acid in the cell wall

c) structure of the lipids in the plasma membrane

d) presence of absence of peptidoglycan in the cell wall

1 Answer

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  • Anonymous
    8 years ago
    Favorite Answer

    Outer membrane containing lipopolysaccharide in gram negative. Answer = a) presence or absence of outer membrane

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