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I would like to know how many days or years do the bacteria live approximately.

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closed as unclear what you're asking by The Last Word, WYSIWYG Aug 1 '15 at 9:07

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  • $\begingroup$ I think this depends on species and particular conditions. E.G. An amp resistant strain of bacteria would be fine if you grew it on an amp plate and a non amp resistant one would die. Plus how much room does it have? $\endgroup$ – SolarLunix Jul 31 '15 at 20:26
  • $\begingroup$ room? What you mean? $\endgroup$ – The_Mad_Fish Jul 31 '15 at 20:27
  • $\begingroup$ The amount of space they have to grow. $\endgroup$ – SolarLunix Jul 31 '15 at 20:28
  • $\begingroup$ a human body you mean? $\endgroup$ – The_Mad_Fish Jul 31 '15 at 20:30
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    $\begingroup$ @Orphee Are you trying to ask how long pathogenic bacteria live for in the human body? Because that's a completely different question $\endgroup$ – tel Jul 31 '15 at 23:02
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They're effectively immortal, albeit in a Phoenix-rising-from-the-ashes sort of way.

In general, a bacterial cell will divide as soon as it's biochemically able to do so, leaving behind two daughter cells. Neither daughter cell is actually the same as the mother cell, so in one sense the mother cell will have "died". On the other hand, the daughter cells are genetically identical to the mother cell and all of the physical material present in each of the daughter cells at the moment right after they split came from the mother cell.

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