What Is Abortive Initiation of Transcription by RNA Polymerase

question 20

Multiple Choice

What is abortive initiation of transcription by RNA polymerase?

• A)initiation at nonpromoter sites prior to dissociation of the polymerase.
• B)synthesis of short transcripts about 10 nucleotides long prior to commitment to elongation.
• C)pausing by the polymerase during elongation.
• D)failure to undergo the closed to open transition in the pre-initiation complex.
• E)none of the above

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