For the bacterial transcription machinery, which of the following mRNA sequences would you expect to constitute a potent transcriptional termination signal? Note that the two underlined regions in each sequence are complementary to each other.
A) 5'... UGGCCCAGUCGGAAGACUGGGCCUUUUGUUUU...3'
B) 5'... UGGCCCAGUCGGAAGACUGGGCCCGCGGAGCU...3'
C) 5'... UUUUGUUUUAGGCCCAGUCGGAAGACUGGGCCA...3'
D) 5'... CGCGGAGCUAGGCCCAGUCGGAAGACUGGGCCA...3'

Question

Quizplus · Accepted Answer

Many bacterial transcription terminators consist of a stable hairpin followed by a string of U nucleotides (that form weak A-U base pairs with the template), which together help disengage the mRNA transcript from RNA polymerase.

For the Bacterial Transcription Machinery, Which of the Following MRNA