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It depends on how quickly the food goes from room temp to frozen. If freezing occurs slowly, like when you put something into a normal household freezer, ice crystals are able to form in the cells and many (most) bacteria die. Some however, survive and are basically dormant (in microbiology the definition of "death" is that all cells are killed and cannot grow back). Refrigeration and freezing therefor are considered bacteriostatic, not bacteriocidal. When you remove the food item from the freezer it is not sterile, since some cells survive. Of course, you know this intuitively, because if you leave it out, it will "go bad". That is the bacteria recolonizing the tissues.

If you are able to rapidly freeze cells (as is done in Biology labs, with a ethanol slurry), water crystals do not have time to form. This is how cells are prepared to be stored in deep freeze and can be kept this way for long periods of time.

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13y ago
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5mo ago

Most bacteria become dormant and do not multiply in frozen food. However, some bacteria can survive freezing and may resume growth once the food is thawed. It is important to properly handle and cook frozen food to prevent foodborne illness.

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10y ago

Food that is frozen still has bacteria on it, freezing slows down the bacteria that spoils food but does not stop or kill other dangerous bacteria, it actual preserves it. Only evenly heating the food will kill bacteria.

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13y ago

The bacteria clogs up the insofagouse of the interpreted cell. The bacteria also spreads the most while freezing and the nucleus can not be preached without an in-viral detection (England treasures fact 1984). Therefore the microbe (bacteria) in freezing point spread and melt with the flange of the temperature.

I hope this helped :)

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12y ago

When frozen bacteria grows and multiplies much slower is all, with most kinds of bacteria it will not kill it.

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12y ago

it will not grow nor reproduce or anything until it is not frozen. so pretty much it dies until it has the right conditions to grow again :)

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Q: What happens to all bacteria in frozen food?
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