Transcription and Regulation The closed complex at bacterial promoters is in equilibrium with free RNA polymerase and the promoter not affected by activator proteins not affected by promoter mutations bound more tightly when repressors are present in equilibrium with free RNA polymerase and the promoter not affected by activator proteins not affected by promoter mutations bound more tightly when repressors are present ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? None of these A specific sequence of DNA to which RNA polymerase binds A specific sequence of DNA to which a catabolic repressor binds A specific DNA sequence to which a restriction endonuclease binds None of these A specific sequence of DNA to which RNA polymerase binds A specific sequence of DNA to which a catabolic repressor binds A specific DNA sequence to which a restriction endonuclease binds ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Promoters for tRNAs are located upstream from the start codon none of these downstream from the start codon both (a) and (b) upstream from the start codon none of these downstream from the start codon both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription by E. coli polymerase occurs in None of these three phases known as initiation, elongation and termination four phases known as initiation, propagation, elongation and termination two phases known as initiation and termination None of these three phases known as initiation, elongation and termination four phases known as initiation, propagation, elongation and termination two phases known as initiation and termination 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 IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media Presence of glucose in the growth media Both (b) and (c) Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription of each set of rRNA genes by RNA polymerasel produces a single 45S rRNA precursor molecule a single 18S rRNA precursor molecule a single 28S rRNA precursor molecule a single 5S rRNA precursor molecule a single 45S rRNA precursor molecule a single 18S rRNA precursor molecule a single 28S rRNA precursor molecule a single 5S rRNA precursor molecule ANSWER DOWNLOAD EXAMIANS APP
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