Broad-spectrum antibiotic their greater potential to disrupt a larger variety of normal human flora. After continued exposure to an antibiotic, bacteria may develop changes in their structure or function that make them resistant to the antibiotic. These resistant organisms will live, while the susceptible organisms will die, leaving the population of bacteria entirely resistant to a given antibiotics. For example, after the discovery of penicillin and its subsequent use to treat bacterial infections, bacteria were found to have begun producing an enzyme, penicillinase, which rendered the penicillin molecule inactive. In response to this newly-acquired resistance, newer penicillins were produced that could not
Who I Was Born to Be to Be" was composed by Johan Fransson, Tim Larsson, and Tobias Lundgren. Among her most notable performances of "Who I Was Born to Be", Boyle's first live performance of this song was on 7 December 2009 in London before an audience for the taping of her television special "". "Who I Was Born to Be" was used as the theme song for the anime "Welcome to the Space Show" which was released in 2010. Boyle performed the song on The Oprah Winfrey Show in Chicago on 19 January 2010. On 10 July 2011 she performed it in front of a