Transcription Starts at a Region of DNA Called A(n)_____________

Question

Transcription starts at a region of DNA called a(n)_____________.  
A) sequencer
B) promoter
C) activator
D) terminator
E) transcriber

Accepted Answer

Transcription starts at a region of DNA called a promoter, which is located upstream of the gene being transcribed. The promoter contains a specific sequence of nucleotides that signals for the binding of RNA polymerase, the enzyme responsible for synthesizing RNA.