This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'The endotoxin which leads to endotoxic shock is actually - \nSelect and explain. \nA. Lipoprotein, B. Lipopolysaccharide, C. Polysaccharide, D. Polyamide', 'role': 'user'}, {'content': "Answer: B \nExplanation: Endotoxin s heat stable lipopolysaccharides which form an integral pa of the cell wall of gram negative bacteria . their toxicity depends on lipid component . they are released only by the disintegration of the cell wall . they cannot be toxoided. they are poor antigens and their toxicity is not completely neutralised by the homologous antibodies . they are active only in relativly large doses Ref: Ananthanarayan & paniker's Textbook of microbiology 9th edition pg no 74", 'role': 'assistant'}]