In: Biology
a promoter ___ a cis acting site
1. is
2. is not
Answer :- yes, a promoter is a cis acting site. The most well cis regulating element is enhancers and promoters.
As promoter is a short sequence of DNA it is the site where transcription is initiated relatively 35 bp upstream or downstream of region. It has been known that single gene can contain more than multiple promoter sites. Promoter has following components such as TATA box, TFIIB recognition site, an initiators, and down stream core promoter element.