How can plasmids differentiate species and can you tell by looking at it?

Explanation:

In the event that you can recuperate enough DNA from a gel cut, you could attempt to think about the limitation condensations of the different species present in your examples. Naming the assimilation items with kinase and gamma-32P ATP may assist with expanding the affectability of recognition.

and no this is not copied :)

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answer; ///i believe that the correct answer is (a) specialized cells)