Lipopolysaccharides are Found In

Question

Lipopolysaccharides are found in
A) all bacteria.
B) Gram-positive bacteria.
C) Gram-negative bacteria.
D) archaea.
E) eukaryotes.

Accepted Answer

Lipopolysaccharides, also known as endotoxins, are major components of the outer membrane of Gram-negative bacteria. They are not present in Gram-positive bacteria, archaea, or eukaryotes. Therefore, the best choice is C: Gram-negative bacteria.