E. Coli Results

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This petri dish is our LB- dish which contains no ampicillin and no bacteria that are immune to ampicillin. This dish had growth because the bacteria had no antibiotic fighting them and so they flourished, with or without resistance.

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This petri dish contains ampicillin and bacteria without the resistance to ampicillin. No bacteria grew on this dish because the ampicillin inhibits bacterial growth and without resistance the bacteria died.

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This petri dish contained ampicillin and bacteria with the resistant gene to ampicillin. There was small bacterial growth because some of the bacteria took up the ampicillin resistance gene and grew immune to ampicillin, while others did not and then died.

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This petri dish contains no ampicillin but ampicillin resistant bacteria. This dish had unhampered growth from no antibiotics. The resistant gene that some held was not used as their was no ampicillin.

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