Transcription Regulation Has Similarities and Differences in Bacteria and in Eukaryotes

question 47

Multiple Choice

Transcription regulation has similarities and differences in bacteria and in eukaryotes. Which of the following is correct in this regard?

• A) Most bacterial genes are regulated individually, whereas most eukaryotic genes are regulated in clusters.
• B) The rate of transcription for a eukaryotic gene can vary in a much wider range than for a bacterial gene (which is, at most, only about 1000-fold).
• C) DNA looping for gene regulation is the rule in bacteria but the exception in eukaryotes.
• D) Transcription regulators in both bacteria and eukaryotes usually bind directly to RNA polymerase.
• E) The default state of both bacterial and eukaryotic genomes is transcriptionally active.

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