A) 5 TATAAT 3
B) 5 TAATTA 3
C) 5 AATAAT 3
D) 5 ATATTA 3
Correct Answer: A
Solution :
The promoters in bacterial and viral genes usually contain a consensus sequence of 5TATAAT 3 forming RNA polymerase binding site or the Pribnow box, after its discoverer. Pribnow box lies within the promoter about 10 base pairs before the starting point of transcription.
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