1.

You wanted to isolate active RNA polymerase (with a part of the transcript associated with it ) from cellular mix. For this, you perform an immunoprecipitation with anti sigma antibody. Then you check the precipitate. What will you observe?

A. RNA polymerase with transcript
B. RNA polymerase without transcript
C. Only antibody
D. DNA with associated RNA polymerase and a transcript
Answer» C. Only antibody


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