Transcription and Regulation In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is RNA polymerase II none of these RNA polymerase I RNA polymerase III RNA polymerase II none of these RNA polymerase I RNA polymerase III ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is not affected by promoter mutations bound more tightly when repressors are present not affected by activator proteins in equilibrium with free RNA polymerase and the promoter not affected by promoter mutations bound more tightly when repressors are present not affected by activator proteins in equilibrium with free RNA polymerase and the promoter ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Immediately after transcription both (a) and (b) a poly adenylation signal is added a methylated guanine cap is added to the 31 end of the transcript a methylated guanine cap is added to the 51 end of the transcript both (a) and (b) a poly adenylation signal is added a methylated guanine cap is added to the 31 end of the transcript a methylated guanine cap is added to the 51 end of the transcript ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? A specific sequence of DNA to which RNA polymerase binds A specific DNA sequence to which a restriction endonuclease binds None of these A specific sequence of DNA to which a catabolic repressor binds A specific sequence of DNA to which RNA polymerase binds A specific DNA sequence to which a restriction endonuclease binds None of these A specific sequence of DNA to which a catabolic repressor binds ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation RNA polymerase in prokaryotes has a removable beta subunit both (a) and (b) alpha subunit sigma subunit beta subunit both (a) and (b) alpha subunit sigma subunit ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Rho-dependent termination of transcription in E. coli requires ATP removes mRNA and holoenzyme from the DNA requires about 50 nucleotides of uncomplexed mRNA both (a) and (b) requires ATP removes mRNA and holoenzyme from the DNA requires about 50 nucleotides of uncomplexed mRNA both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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