How to know that bacteria have a plasmid?

Answer Posted / bunty, ku (2006-2008)

1) Expose the bacteria to an antibiotic that kills cells
which dont have the plasmid
2) Use an electron microscope
3) Take out the DNA from al lthe cells to see which ones
have the plasmids
4) Make antibodies for each bacterium that has a recombinent
plasmid.

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