Genetic Regulation Prokaryotes Which of the following is not part of the lac operon? O I none of these P O I none of these P ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of high levels of tryptophan attenuator propogates transcription None of these attenuator terminates transcription attenuator allows transcription of trp structural genes attenuator propogates transcription None of these attenuator terminates transcription attenuator allows transcription of trp structural genes ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following is not a transcription factor? Steroid hormones Zinc finger proteins Leucine zipper proteins Helix-turn-helix proteins Steroid hormones Zinc finger proteins Leucine zipper proteins Helix-turn-helix proteins ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The lac operon is transcribed in which segments? 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? It allows coordinating regulation of genes with a common function An accident of evolution The bacteria chromosome is so small; many different genes must be controlled by the same promoter None of these It allows coordinating regulation of genes with a common function An accident of evolution The bacteria chromosome is so small; many different genes must be controlled by the same promoter None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following occur in the presence of glucose? None of these 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 ANSWER DOWNLOAD EXAMIANS APP