Which of the following is incorrect when E. coli cause a UTI?
A) It is believed that E. coli avoid the host immune response by assuming a filamentous form.
B) Within the first few hours of invading host tissues, E. coli cells triple in size.
C) When infection has been established, the E. coli return to being motile rods that swim away from biofilms to perpetuate infections.
D) When inside host cells, E. coli exist as nonmotile rods.
E) As the infection progresses, E. coli pass through a stage where they appear as cocci.
Answer: B
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