Bacteria causing skin wounds may develop resistance to the antibiotic usually used to kill them. Which statement explains how these bacteria could develop resistance to the antibiotic?
- AExposure to the antibiotic causes a change in the bacterial cell wall, preventing the antibiotic from working.
- BOther bacteria that normally protect the skin against infection are killed by the antibiotic, allowing the infectious bacteria to survive.
- CRandom mutations in DNA allow some of the bacteria to survive in the presence of the antibiotic.
- DThe antibiotic causes the bacterial DNA to mutate, allowing the bacteria to survive in the presence of the antibiotic.