Promoter: DNA region that determines where transcription starts
: promoter sequences are located upstream from the transcription site
Identify the statements that are features of a promoter.
a) In prokaryotes, the promoter is recognized by general transcription factors (GTF), which recruit the RNA polymerase holoenzyme.
b) In both prokaryotes and eukaryotes, the promoter is located in the 5' direction, upstream from the transcription start site.
c) In prokaryotes, the promoter contains a -35 and -10 region upstream of the transcription start site.
d) In eukaryotes, the promoter attracts the small and large ribosomal subunits with the help of initiation factors.
e) In eukaryotes, the promoter recruits the preinitiation complex, which includes the TATA- binding protein.
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