Which of the Following is an Important Source of Endotoxin

Question

Which of the following is an important source of endotoxin in gram-negative species?
A)endospore
B)sex pilus
C)flagellum
D)cell wall
E)capsule

Accepted Answer

Endotoxin is a toxin present in the outer membrane of gram-negative bacteria. It is composed of lipopolysaccharides (LPS) which are a component of the cell wall. Therefore, the correct answer is D, cell wall.