Genetic mutations in the bacteria can cause them to become resistant to particular kinds of medication. As the reproduction rate of bacteria is so high, even just one bacteria with the gene that causes resistance can quickly multiply to become a strain of bacteria which are all resistant.
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...