In Trying to Distinguish Between the Two Models of Eukaryotic

question 13

Multiple Choice

In trying to distinguish between the two models of eukaryotic transcriptional termination,you identify a drug that specifically blocks exonuclease activity.When you add it at the appropriate time to an in vitro system that carries out all the stages of eukaryotic transcription,you find that transcription proceeds normally,but transcription doesn't terminate. This experiment provides support for which model of eukaryotic transcriptional termination?

• A) Allosteric model
• B) Torpedo model
• C) Rho-dependent termination
• D) Rho-independent termination

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