What Is Abortive Initiation of Transcription by RNA Polymerase

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