Transcription and Regulation RNA polymerase in prokaryotes has a removable sigma subunit beta subunit both (a) and (b) alpha subunit sigma subunit beta subunit both (a) and (b) alpha subunit ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The RNA polymerases that transcribe bacterial DNA are only active inside the cell highly glycosylated in their active forms interchangable with DNA polymerases multisubunit enzymes only active inside the cell highly glycosylated in their active forms interchangable with DNA polymerases multisubunit enzymes ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter bound more tightly when repressors are present not affected by activator proteins not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter bound more tightly when repressors are present not affected by activator proteins ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA? Presence of glucose in the growth media Both (b) and (c) Presence of lactose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media Both (b) and (c) Presence of lactose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Rho-dependent termination of transcription in E. coli requires about 50 nucleotides of uncomplexed mRNA requires ATP removes mRNA and holoenzyme from the DNA both (a) and (b) requires about 50 nucleotides of uncomplexed mRNA requires ATP removes mRNA and holoenzyme from the DNA both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The binding of lac repressor to DNA could be considered to be analogous to allosteric effects in enzyme regulation competitive inhibition of an enzyme mixed-type inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme mixed-type inhibition of an enzyme uncompetitive inhibition of an enzyme ANSWER DOWNLOAD EXAMIANS APP
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