試題詳解

49.Which ofthe following statements regarding lipopolysaccharide (LPS) is true﹖
(A) LPS is a type of glycerolipid found in bacteria.
(B) Lipid A, one component of LPS, is responsible for its immunogenic properties.
(C) LPS is found exclusively in the inner membrane of bacterial cells.
(D) The O-specific polysaccharide region of LPS is the main virulence factor
(E) LPS is used for serotyping gram-positive bacteria.