A pathogenic strain of bacteria has become resistant to an antibiotic that once could kill it. What has happened to these bacteria to make this happen?

Question

A pathogenic strain of bacteria has become resistant to an antibiotic that once could kill it.  What has happened to these bacteria to make this happen?

anonymous · Answer

A pathogenic strain of bacteria has become resistant to an antibiotic that once could kill it.  What has happened to these bacteria to make this happen?

 The bacterial cells learned to remove the receptors on their cell surfaces, making it impossible for the antibiotic to attack them.

 Most of the bacteria make changes to their DNA to protect themselves, making themselves immune to future attacks.

 Some of the bacterial cells were able to produce toxins against the antibiotics, making them more likely to survive.

 Only the few bacteria that were immune to the antibiotic survived and reproduced, making all their offspring immune to it as well.

gixxer_j · Answer

Use process of elimination. Bacteria can't make conscious decisions about their behavior or learn to do new things, so that leaves one option...

anonymous · Answer

im sorry im really struggling

anonymous · Answer

umm. d?

gixxer_j · Answer

I would say C

anonymous · Answer

I would say the last statement is true as this is what tends to happen. Only some bacteria are resistant to the Antibiotics and they are the ones that reproduce and produce antibiotic resistant offspring.

anonymous · Answer

yeah D is  the right answer

anonymous · Answer

@livelovechloeee and everyone else.  Definitely not C.  Bacteria do not produce toxins to counteract antibiotics.