Question

multiple choice question
which component of lps generates an antibody response in gram-negative bacterial infections?

lipid a
core polysaccharide
o antigen

Explanation:

Lipid A is responsible for endotoxic activity, core polysaccharide is more conserved, while the O antigen (part of the O - specific side chain of LPS) is highly variable and immunogenic, capable of generating an antibody response during Gram - negative bacterial infections.

Answer:

C. O antigen