Which of the following is NOT likely to cause increased rates of mutation in an organism

A. exposure to UV radiation

B. exposure to bacteria

C. Exposure to chemicals in cigarette smoke

I would say B, because most of the bacteria is not harmful to organisms. Bacteria is all around us, has always been, regardless of the climate or whatsoever.

answer; i believe the correct answer is (replication is not conservative);

c. movement because i took the test and it lets me review my answers