Question

fill in the blank question
the lps component responsible for stimulating an antibody response in gram-negative bacterial infections is the
antigen.
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Explanation:

In Gram - negative bacteria, lipopolysaccharide (LPS) has three main components: lipid A, core polysaccharide, and O - antigen (also called O - specific polysaccharide). The O - antigen is the component that is responsible for stimulating an antibody response. This is because the O - antigen has a highly variable structure among different Gram - negative bacteria, and the immune system recognizes these unique structures as foreign antigens, leading to the production of antibodies against them.

Answer:

O - (or O - specific)