Enhancers are enhancers are a form of bacterial promoter found in prokaryotic chromosomes inactive repressors that are unable to bind to dna sites in a dna molecule where rna polymerase binds to perform transcription specific dna sequences located distant to the promoter

The correct answer is option

specific DNA sequences located distant to the promoter.

the enhancers are the regions, which are generally present upstream to the promoter region of a particular gene. The enhancers are present distant to the promoter region. The protein factors, which are known as the activators binds to the enhancer region, which causes the enhanced transcription of that particular gene in the eukaryotic organisms.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%