Multiple choice

Which among the following mechanisms of transcription can interact between RNA polymerase and a particular promoter?

  1. Silencers

  2. Enhancers

  3. General transcription factors

  4. Activators

  5. Specificity factors

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Enhancers are sites on the DNA helix that are bound to by activators in order to loop the DNA bringing a specific promoter to the initiation complex. Enhancers are much more common in eukaryotes than prokaryotes.