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Which of these proteins help to backtrack the RNA?

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Which of these proteins help to backtrack the RNA?

(a) XPC

(b) Dna G

(c) TFIIH

(d) CSA

I have been asked this question during an online exam.

The doubt is from Transcription in Prokaryotes : Termination in portion Gene Expression : Transcription Prokaryotes of Cytogenetics

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The correct answer is (d) CSA

For explanation: When the RNA polymerase encounters a bulky lesion the NER protein CSA heps the RNA to backtrack giving the NER mechanism a clearance of 100bp to act. XPC and TFIIH are also needed in NER but have different function. DNA G is a primase needed in prokaryotic replication.

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