This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
[{'content': 'Which of the following is a tripaite toxin? \nSelect and explain. \nA. Diphtheria toxin, B. Anthrax toxin, C. Botulinum toxin, D. Cholera toxin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anthrax toxin is tripaite toxin It consist of Edema factor Protective factor Lethal factor Diphtheria toxin made up of A and B fragments Active fragment causes ADP ribosylation of EF leads to inhibition of protein synthesis Botulinum toxin - it has anticholinergic action Cholera toxin - two component', 'role': 'assistant'}]