Dna

Promoter 1

Promoter 2

Promoter 1

Promoter 2

The promoter orients RNA polymerase, determining the direction of transcription.

RNA polymerase

The direction of transcription dictates which strand of DNA is used as the template.

Figure 7.8 Promoters Direct Transcription A promoter not only identifies the region of DNA that will be transcribed into RNA, its orientation determines which strand will be used as the template.

Template strand

Template strand

The promoter orients RNA polymerase, determining the direction of transcription.

RNA polymerase

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