Bacteria reproduce rapidly - a new generation can be produced every 20 minutes by binary fission .Antibiotics are used to treat bacterial infections : an antibiotic is a chemical that kills bacteria...
Microbes resistant to antibiotics, disinfectants and other chemicals by a process called natural selection. When we treat a population of microbes with chemicals that we use to kill them, then not...
Bacteria becomes resistant to antibiotics mostly by the misuse of antibiotics. For example, if a person is prescribed to take a certain antibiotic, say penicillin, for 2 weeks, many people would...
A simple way to explain it is: When you have an infection and take antibiotics for it, the weaker bacteria are killed first, with the stronger ones surviving, or taking longer to destroy. So when you...