R-RNA is mainly produced in –
Correct Answer: Nucleolus
Description: B i.e., NucleolusThe sigma (a) subunit (factor) enables RNA polymerase to recognize promoter regions on DNAQ.Like DNA polymerase, RNA polymerase uses nucleoside triphosphate as substrates & releases pyrophosphate each time a nucleoside monophosphate is added to growing chain. And as with replcation, transcription is always in 5' -s 3'direction. However, incontrast to DNA polymerase, RNA polymerase (both in eukaryotes and prokaryotes) does not require primer and has no known proofreading activityQ.
Category:
Biochemistry
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