Why can bacteria adapt to antibiotics, but not adapt to environmental things like heat or acids/soaps (Salmonella as an example)?

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Edit: I’ve had a lot of fun reading all of your analogies

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Anonymous 0 Comments

Antibiotics disrupt specific processes in bacteria to kill them. Antibiotics are used in living creatures, like a human, so they can´t disrupt the creature’s cells. It has to be a way for a living cell to handle the antibiotics. The result is has to exploit the differences in a careful way.

Acid and soap destroy the membranes that cells are made of. It would kill human cells too. The top layer of our skin is dead cells, there is a reason soap burns if you get it in your eyes or mouth, it kills cells that are exposed to it.

There is the acid in your stomach, but the reason it does not kill the cells is it is not in direct contact, There is a mucus-bicarbonate barrier that separates them and neutralizes the acid.

It does not have to kill cells, it has to kill just some cells but not others like bacteria in a human but not the human cells

The difference is a bit like a thief that tries to pick your lock is the antibiotics, the bacteria has a lock that has the tool to open but the host cells have a different type of lock the thief does not have tools for. To stop the thief you just need to change the lock a bit so their tools do not fit the lock

The acid/soap will be a military force that tries to enter a building in a war zone. They put plastic explosives on the wall to breach the. Tanks, artillery, and bombs can be used too. They will do a lot of damage on that bounding and on others too, and there is no real way to stop them. A bunker is better protected so it is harder to get in but it is still possible to do so.

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