BONUS: You have discovered a new mutagen that causes DNA pol…

BONUS: You have discovered a new mutagen that causes DNA polymerase to add one adenine at random to a newly synthesized DNA molecule, resulting in the new molecule possessing one more more nucleotide than the template (original) DNA molecule. What type of mutation does this mutagen cause?

Following treatment of a severe bloodstream infection with h…

Following treatment of a severe bloodstream infection with high doses of antibiotics, a patient develops a Clostridium dificile infection. Stool samples taken before and after the development of the infection reveal the presence of the bacteria in both samples. Thus, we would expect the source of infection to be: