Question

Below is a diagram of a transcription unit and the mRNA made from the transcription unit: A H TTGACA DNA TATAAT -35 B -10 С D
5 E F Is this a prokaryotic or eukaryotic transcription unit? prokaryotic What is the name of the cofactor required for RNA
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Answer #1

1. It is a prokaryotic transcription unit
Reason: There are no introns in the gene

2. The sigma factor is required for the initiation of transcription

3. Promoter = A (It is located upstream to the transcription start site)
Pribnow box = -10 sequence = TATAAT = C
Non-template strand = H
Transcription start site = D


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