Genetic Regulation Prokaryotes In the presence of high levels of tryptophan attenuator terminates transcription None of these attenuator propogates transcription attenuator allows transcription of trp structural genes attenuator terminates transcription None of these attenuator propogates transcription attenuator allows transcription of trp structural genes ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following is not a transcription factor? Helix-turn-helix proteins Zinc finger proteins Leucine zipper proteins Steroid hormones Helix-turn-helix proteins Zinc finger proteins Leucine zipper proteins Steroid hormones ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The lac operon is transcribed in which segments? 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex hormones activate transcription of specific genes by binding to RNA polymerase binding to a transcription factor binding to DNA enhancer region binding to DNA promoter region binding to RNA polymerase binding to a transcription factor binding to DNA enhancer region binding to DNA promoter region ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following occur in the presence of glucose? Binding of CAP-cAMP complex to the promoter area decreases None of these lac Z gene expression is increased cAMP increases Binding of CAP-cAMP complex to the promoter area decreases None of these lac Z gene expression is increased cAMP increases ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes DNA is methylated at AC sequences CAAT sequences CG sequences TATA sequences AC sequences CAAT sequences CG sequences TATA sequences ANSWER DOWNLOAD EXAMIANS APP