Genetic Regulation Prokaryotes Enhancers differ from promoters in that they are adjacent to the start codon they initiate transcription they are restricted to a specific gene their orientation can be inverted without effect they are adjacent to the start codon they initiate transcription they are restricted to a specific gene their orientation can be inverted without effect ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is 1 or greater the X autosome balance is less than 0.5 None of these the X autosome balance equals 0.5 the X autosome balance is 1 or greater the X autosome balance is less than 0.5 None of these the X autosome balance equals 0.5 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 Which of the following is not a transcription factor? Helix-turn-helix proteins Leucine zipper proteins Zinc finger proteins Steroid hormones Helix-turn-helix proteins Leucine zipper proteins Zinc finger proteins Steroid hormones ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex hormones activate transcription of specific genes by binding to DNA enhancer region binding to DNA promoter region binding to a transcription factor binding to RNA polymerase binding to DNA enhancer region binding to DNA promoter region binding to a transcription factor binding to RNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Catabolite activating protein exerts __________ control on transcription of the lac operon genes. none of these may be positive or negative negative positive none of these may be positive or negative negative positive ANSWER DOWNLOAD EXAMIANS APP
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