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Plates that have only ampicillin-resistant bacteria growing on them include which of the following?

Plates that have only ampicillin-resistant bacteria growing on them include which of the following? Correct Answer Plate 1 only

The few colonies growing on Plate 1 consist of bacteria that have taken up the plasmid and are resistant to ampicillin. Plate 2 consists of both antibiotic-resistant bacteria as well as nonresistant bacteria. There is no antibiotic in the agar on Plate 2 to distinguish the two bacteria.

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