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 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 Presence of lactose in the growth media Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Promoters for tRNAs are located none of these upstream from the start codon downstream from the start codon both (a) and (b) none of these upstream from the start codon downstream from the start codon both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Most transcripts of protein coding genes are cleaved at the 3' end just before a poly adenylation signal at the 5' end immediately after a poly adenylation signal at the 5' end immediately before a poly adenylation signal at the 3' end just after a poly adenylation signal at the 3' end just before a poly adenylation signal at the 5' end immediately after a poly adenylation signal at the 5' end immediately before a poly adenylation signal at the 3' end just after a poly adenylation signal 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 binding of lac repressor to DNA could be considered to be analogous to mixed-type inhibition of an enzyme competitive inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation mixed-type inhibition of an enzyme competitive inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Which of the following is necessary for transcription to occur? DNA polymerase RNA polymerase Both DNA & RNA polymerase DNA molecule DNA polymerase RNA polymerase Both DNA & RNA polymerase DNA molecule ANSWER DOWNLOAD EXAMIANS APP