Genetic Regulation Prokaryotes Catabolite activating protein exerts __________ control on transcription of the lac operon genes. may be positive or negative negative positive none of these may be positive or negative negative positive none of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result? Early genes will not be translated Middle genes will not be transcribed Infection will proceed as usual The bacterial host will lyse immediately Early genes will not be translated Middle genes will not be transcribed Infection will proceed as usual The bacterial host will lyse immediately ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is less than 0.5 the X autosome balance is 1 or greater None of these the X autosome balance equals 0.5 the X autosome balance is less than 0.5 the X autosome balance is 1 or greater None of these the X autosome balance equals 0.5 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of high levels of tryptophan attenuator allows transcription of trp structural genes attenuator propogates transcription attenuator terminates transcription None of these attenuator allows transcription of trp structural genes attenuator propogates transcription attenuator terminates transcription None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following occur in the presence of glucose? cAMP increases Binding of CAP-cAMP complex to the promoter area decreases lac Z gene expression is increased None of these cAMP increases Binding of CAP-cAMP complex to the promoter area decreases lac Z gene expression is increased None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Methylated gene are either (a) or (b) dynamic silent active either (a) or (b) dynamic silent active ANSWER DOWNLOAD EXAMIANS APP