Robert Bigelow, founder of Bigelow Aerospace, is interviewed following a press conference on the expandable space B330 module at the Bigelow Aerospace headquarters in North Las Vegas, March 12, 2015.
Where does DNA transcription take place? DNA transcription takes place in the nucleus of a cell, which is where DNA is located. The process begins when the enzyme RNA polymerase hooks itself to a specific sequence found on the DNA at a place called the promoter region.
In eukaryotes, a core promoter sequence in the DNA must be present for RNA polymerase to initiate transcription. Promoters are regions of DNA that promote transcription-in eukaryotes, they are found at -30, -75, and -90 base pairs upstream from the transcription start site (abbreviated to TSS). RNA polymerase creates a transcription bubble, which separates the two strands of the DNA helix. 2  This is done by breaking the hydrogen bonds between complementary DNA nucleotides. 3  RNA polymerase adds matching RNA nucleotides to the complementary nucleotides of one DNA strand.