Transcription
Which of the following statement defines a replicon?

A DNA template which is used in transcription
A DNA molecule that is able to replicate and be maintained
A DNA molecule that encodes pili for conjugation
The enzyme responsible for transposition

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Transcription
The location of first hexameric sequence typically found in pro-karyotic promoters is

approximately 25 bases upstream of the transcription start site
approximately 10 bases upstream of the transcription start site
approximately 35 bases upstream of the transcription start site
at the transcription start site

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