antibiotic resistance

Question 1

how can bacteria become resistant?

Answer 1

ocassionaly, bacteria can experience random mutations, extremely rarely, random mutations can make antibiotics less effective in killing the bacteria

Question 2

how can resistant bacteria grow?

Answer 2

when antibiotics are used, the majority of bacterial cells are killed except for the resistant strain. As bacteria reproduce rapidly, quickly a huge resistant strain can form.

Question 3

what can resitant bacterial strains go on to become and how?

Answer 3

very rarely, bacteria can grow reistant to multiple antibiotics: these strains of bacteria are called superbugs