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
True about anthrax toxin are all except: 
Select and explain. 
A. Has three fractions, B. Increase cAMP, C. Coded by plasmid, D. Inhibits protein synthesis
D: Inhibits protein synthesis
Answer: D: Inhibits protein synthesis 
Explanation: Ans. is. 'd' i. e. Inhibits protein synthesis