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It must be sterilized first because to clean the medium, so that no contaminations and also unwanted organisms grow.

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13y ago
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11y ago

To insure that all pathogens have been 'killed' and that only those from a cultured sample will grow.

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14y ago

so that there isn't any sort of contamination which may hamper the growth of bacteria.This is specifically important in case of growing pure cultures.

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13y ago

To prevent the growth of unwanted microorganisms, which may supplant the ones you actually want to grow.

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14y ago

By looking the turbidity in media.

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12y ago

to avoid contamination by microbes

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10y ago

if it is not contaminated

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Q: How can you determine whether culture media are sterile before you use them?
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