Multiple ChoiceWhich of the following statements correctly describes the primary difference between enhancers and proximal control elements?4369views12rank1comments
Multiple ChoiceWhich of the following is NOT true regarding the differences of transcription in eukaryotes and prokaryotes?2917views12rank
Multiple ChoiceWhich of the following statements about transcription factors is incorrect:4012views11rank
Multiple ChoiceIn a eukaryote, transcription factors called activators may stimulate gene expression by binding to DNA sites called __________. 1390views
Multiple ChoiceDioxin, produced as a by-product of various industrial chemical processes, is suspected of causing cancer and birth defects in animals and humans. It apparently acts by entering cells and binding to specific proteins, which then enter the nucleus and alter the pattern of gene expression. Therefore, dioxin acts by mimicking the action of __________. 1493views
Multiple ChoiceA high rate of gene transcription in eukaryotic cells is usually dependent on __________. 1474views
Textbook QuestionWhich of these statements about enhancers is correct? a. They contain a unique base sequence called a TATA box. b. They are located only in 5′ untranslated regions. c. They are located only in introns. d. They are found both upstream and downstream from the transcription start site and are functional in any orientation.1034views