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Transcription and Regulation

Q1:

What is a promoter?

A A specific sequence of DNA to which a catabolic repressor binds

B A specific sequence of DNA to which RNA polymerase binds

C A specific DNA sequence to which a restriction endonuclease binds

D None of the above

ANS:B - A specific sequence of DNA to which RNA polymerase binds

Promotor are specific region division two part upstream and downstream region and present -10 sequence (TATA box region) and -35 sequence. This is part of promote and bind RNA polymerase then start transcription.



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