The Toxic Component of Lipopolysaccharide is Called _________

Question

The toxic component of lipopolysaccharide is called _________.
A)lipid A
B)exotoxin
C)hemolysin
D)O antigen polysaccharide

Accepted Answer

Lipid A is the toxic component of lipopolysaccharide (LPS) found in the outer membrane of Gram-negative bacteria. It is responsible for inducing septic shock and inflammation in the host. Exotoxins and hemolysins are secreted by some bacteria and can cause damage to host tissues, but they are not part of LPS. O antigen polysaccharide is the variable component of LPS and is used for serotyping bacterial species.