Transcription and Regulation Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA? Both (b) and (c) Presence of lactose in the growth media Presence of glucose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Both (b) and (c) Presence of lactose in the growth media Presence of glucose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The complex of RNA polymerase, DNA template and new RNA transcript is called a translation bubble replication bubble transcription bubble none of these a translation bubble replication bubble transcription bubble none of these ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of three stem loops two stem loops either (a) or (b) four stem loops three stem loops two stem loops either (a) or (b) four stem loops ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is 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 not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The function of the sigma factor of RNA polymerase is to assure that translation ends at the proper point assure that translation begins at the proper point assure that transcription ends at the proper point assure that transcription begins at the proper point assure that translation ends at the proper point assure that translation begins at the proper point assure that transcription ends at the proper point assure that transcription begins at the proper point ANSWER DOWNLOAD EXAMIANS APP