This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'All the following statements about V. cholera 0139 are true, except: \nSelect and explain. \nA. Clinical manifestations are similar 01 Eltor strain, B. First discovered in Chennai, C. Epidemiologically indistinguishable from 01 Eltor strain, D. Produces 01 Lipopolysaccharide', 'role': 'user'}, {'content': "Answer: D \nExplanation: V.cholerae 0139 does not produce the 01 Lipopolysaccharide as it does not have all the genes that is necessary for the making of this antigen. Ref: Medical Microbiology By Jawetz, 23rd Edition, Page 270; Textbook of Microbiology By Ananthanarayan and Panicker, 7th Edition, Pages 305-316; Harrison's Principles of Internal Medicine, 17th Edition, Page 909, 910", 'role': 'assistant'}]