Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of four stem loops either (a) or (b) two stem loops three stem loops four stem loops either (a) or (b) two stem loops three stem loops 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 Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media Both (b) and (c) Presence of glucose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? A specific sequence of DNA to which a catabolic repressor binds A specific DNA sequence to which a restriction endonuclease binds A specific sequence of DNA to which RNA polymerase binds None of these A specific sequence of DNA to which a catabolic repressor binds A specific DNA sequence to which a restriction endonuclease binds A specific sequence of DNA to which RNA polymerase binds None of these ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is not affected by activator proteins bound more tightly when repressors are present not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter not affected by activator proteins bound more tightly when repressors are present not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation RNA polymerase in prokaryotes has a removable both (a) and (b) alpha subunit sigma subunit beta subunit both (a) and (b) alpha subunit sigma subunit beta subunit ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The transcriptional regulatory proteins in eukaryotes which induce transcription usually have at least two distinct domains of protein structure and a DNA binding domain none of these at least one distinct domains of protein structure, a DNA binding domain and an activation domain at least two distinct domains of protein structure, a DNA binding domain and an activation domain at least two distinct domains of protein structure and a DNA binding domain none of these at least one distinct domains of protein structure, a DNA binding domain and an activation domain at least two distinct domains of protein structure, a DNA binding domain and an activation domain ANSWER DOWNLOAD EXAMIANS APP
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