Transcription and Regulation Which of the following is necessary for transcription to occur? DNA molecule DNA polymerase Both DNA & RNA polymerase RNA polymerase DNA molecule DNA polymerase Both DNA & RNA polymerase RNA polymerase 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 uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme mixed-type inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Upstream regions which are essential for correct transcription are called start codons transcription factors enhancers promoters start codons transcription factors enhancers promoters ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription of each set of rRNA genes by RNA polymerasel produces a single 28S rRNA precursor molecule a single 18S rRNA precursor molecule a single 45S rRNA precursor molecule a single 5S rRNA precursor molecule a single 28S rRNA precursor molecule a single 18S rRNA precursor molecule a single 45S rRNA precursor molecule a single 5S rRNA precursor molecule ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The major function of RNA polymerase's sigma factor is recognition of the translational start sequence recognition of the transcriptional start sequence recognition of the translational stop sequence recognition of the transcriptional stop sequence recognition of the translational start sequence recognition of the transcriptional start sequence recognition of the translational stop sequence recognition of the transcriptional stop sequence 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 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 ANSWER DOWNLOAD EXAMIANS APP