Transcription
Which of the following enzyme is used for synthesis of RNA under the direction of DNA?

RNA polymerase
DNA polymerase
RNA ligase
DNA ligase

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

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

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