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Valentin [98]
3 years ago
9

When considering the initiation of transcription, one often finds consensus sequences located in the region of the DNA where RNA

polymerase(s) bind. Which are common consensus sequences in E. coli?
a. any trinucleolide repeat
b. satellie DNAs
c. TTTTAAAA
d. GGTTC
e. TATAAT
Biology
1 answer:
antoniya [11.8K]3 years ago
5 0

Answer:

e. TATAAT

Explanation:

Transcription is the process by which mRNA is produced from DNA and starts by the binding of RNA polymerase on DNA. RNA polymerase binds to specific binding sites on DNA determined by promoters and in E. coli three sequence elements are found in promoters.

The consensus sequence TATAAT are present in the pribnow box in E. coli and about ten base pairs upstream from the transcription starting site. That is why it is also called as -10 sequence. It is considered as idealized consensus sequence. The pribnow box with the sequence of six nucleotides (TATAAT) is most common transcription initiation factor in most bacteria like E. coli. The most commonly occurring bases from different promoters analyzed are showed by it.

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