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Natalie Goodwin

Feb 20, 2025

In blue-white screening, what do blue colonies represent?

The correct option is : cells containing empty plasmid vectors
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3 Answers

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Bertram Bins IV

Feb 20, 2025

The correct option is : cells containing empty plasmid vectorsExplanation:The blue-white screen is a technique which involves the rapid identification of the recombinant bacteria in a vector-based molecular cloning experiment. In this method, a DNA ligated vector is inserted in a host cell which is viable for transformation and grown in presence of X-gal.    The cells that are transformed with the vectors having the recombinant DNA produce the white colonies. Whereas, the cells transformed with empty vector i.e. the non-recombinant plasmids, produce the blue colonies.... Show More
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Bertram Bins IV

Feb 20, 2025

the burning of fossil fuels releases carbon dioxide and other greenhouse gases.good luck! =)cutie~... Show More
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B
Bertram Bins IV

Feb 20, 2025

b. to discover aspects of the natural world.hopefully i .... Show More
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