$RNA$ polymerase binds to the .........

During transcription,the holoenzyme $RNA$ polymerase binds to the $DNA$ strand,and the $DNA$ forms a saddle-like structure at that site. What is this sequence called?

Name the enzyme that facilitates the opening of the $DNA$ helix during transcription.

The Pribnow box is a consensus sequence of $6$ bases,forming a binding site for $E. coli$ $RNA$ polymerase at the promoter.

Transcription is most similar to which of the following processes?

What is the location of the promoter in a transcription unit?