The lac repressor in bacteria is analogous to _____ in eukaryotes. genes general transcription factors, such as tfiid specific transcription factors the p21 cdk inhibitor
The answer is transcription factors. They are proteins that bind to promoter regions of genes and promote the binding of polymerase protein for transcription to begin. Some transcription factors are repressors that prevent the binding of the polymerase protein to the promoter region.