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 lactose in the growth media Both (b) and (c) Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media Presence of lactose in the growth media Both (b) and (c) Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Immediately after transcription a poly adenylation signal is added a methylated guanine cap is added to the 51 end of the transcript a methylated guanine cap is added to the 31 end of the transcript both (a) and (b) a poly adenylation signal is added a methylated guanine cap is added to the 51 end of the transcript a methylated guanine cap is added to the 31 end of the transcript both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is RNA polymerase II RNA polymerase I none of these RNA polymerase III RNA polymerase II RNA polymerase I none of these RNA polymerase III ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation RNA polymerase holoenzyme initiates transcription which involves None of these recognition of the -10 sequence only recognition of the -35 sequence only recognition of the -10 sequence and -35 sequence None of these recognition of the -10 sequence only recognition of the -35 sequence only recognition of the -10 sequence and -35 sequence ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The function of the sigma factor of RNA polymerase is to assure that transcription ends at the proper point assure that transcription begins at the proper point assure that translation begins at the proper point assure that translation ends at the proper point assure that transcription ends at the proper point assure that transcription begins at the proper point assure that translation begins at the proper point assure that translation ends at the proper point 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