A new and effective antibiotic becomes widely used for a particular species of bacteria. After some time, an antibiotic–resistant strain of the bacteria becomes prevalent. Which mechanism explains this phenomenon?

Question

anonymous · Answer

Do you have answer choices?

hectoroftroy · Answer

Do you think absolutely all the bacteria in world are susceptible to the new antibiotic? Or do you think minor subtle genetic differences between them would enable a few to survive even if the majority got killed...