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A model for factor-independent termination of transcription

A model for factor-independent termination of transcription
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Description:
a. An A-rich segment of the template has just been transcribed into a U-rich mRNA segment.

b. RNA–RNA duplex, stabilized by G-C base pairs, eliminates some of the base pairing between template and transcript.

c, The unstable A–U bonds linking transcript to template hybrid dissociate, releasing the transcript.

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Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35041
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