Why Does Rho- Dependent Transcriptional Termination in Bacteria Require the Rho

question 39

Multiple Choice

Why does rho- dependent transcriptional termination in bacteria require the rho protein?

• A) The rho protein assists in formation of the termination stem- loop that pauses the RNA Polymerase.
• B) RNA Polymerase stalls at various sites in the gene and rho helps push RNA Polymerase to the end of the gene.
• C) The rho protein helps unwind the stem- loop structure after the RNA has been released by RNA Polymerase.
• D) The stem- loop is insufficiently stable to displace the RNA Polymerase by itself and needs rho protein to assist.
• E) RNA Polymerase stalls on the termination stem- loop and rho is needed to displace the RNA Polymerase.

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