Which of the following statements regarding transcription only applies to prokar
ID: 100524 • Letter: W
Question
Which of the following statements regarding transcription only applies to prokaryotes and not to eukaryotes?
options:
A region of the promoter about 30 nucleotides upstream of +1 contains AT-rich base pairs.
The RNA start site is designated +1.
A region of the promoter about 10 nucleotides upstream of +1 contains AT-rich base pairs.
Important sequence elements are frequently found downstream of +1.
All of the choices given apply to eukaryotes.
A region of the promoter about 30 nucleotides upstream of +1 contains AT-rich base pairs.
The RNA start site is designated +1.
A region of the promoter about 10 nucleotides upstream of +1 contains AT-rich base pairs.
Important sequence elements are frequently found downstream of +1.
All of the choices given apply to eukaryotes.
Explanation / Answer
Answer:
- Region of promoter about 0 nucleotides upstream of + contains AT rich region. This is exclusive to prokaryotic transcription. The region is called as ‘pribnow box’.
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