16. Regulation of Expression

Regulatory segments of DNA that function to increase transcription levels in eukaryotes are called:

Which of the following statements correctly describes the primary difference between enhancers and proximal control elements?

Which of the following is NOT true regarding the differences of transcription in eukaryotes and prokaryotes?

Which of the following statements about transcription factors is incorrect:

Which 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.

Which 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.

The functioning of enhancers is an example of a. a eukaryotic equivalent of prokaryotic promoter functioning. b. transcriptional control of gene expression. c. the stimulation of translation by initiation factors. d. post-translational control that activates certain proteins.