This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
The replicative E. coli can multiply and produce daughter cells in? 
Select and explain. 
A. 20 minutes, B. 24 hours, C. 20 days, D. 4 weeks
A: 20 minutes
Answer: A: 20 minutes 
Explanation: Ans. a (20 minutes). (Ref. Textbook of Microbiology by Ananthnarayan, 7th/275)BacteriaGeneration time1Lepra bacillus12-13 days (8-42 days)2Tubercle bacillus14 hours3Coliform bacillus20 minutes