Within the Transcription Bubble,the First 9 Bases of a Newly

question 3

Multiple Choice

Within the transcription bubble,the first 9 bases of a newly synthesized RNA strand temporarily form a helix with the template DNA strand.How might transcription be affected if helix formation could not occur?

• A)Clearance of the promoter will be inhibited.
• B)The RNA polymerase will be unable to unwind the DNA duplex.
• C)The position of the 5' end of the RNA will be unstable,inhibiting elongation.
• D)The position of the 3' end of the RNA will be unstable,inhibiting elongation.