Biology · Molecular Biology
Which of the following statements related to transcription in bacteria/eukaryotes are correct? (A) During concurrent promoter sequence recognition and melting in bacteria, melting commences with base flipping, where two bases are flipped out into pockets of the primary sigma factor. (B) Binding of α-amanitin to RNA polymerase II permits entry of nucleotides into the active site and synthesis of RNA, but prevents translocation. (C) RNA polymerase I cannot bind to upstream promoters. (D) FACT is associated with RNA polymerase during transcriptional elongation and helps displace histone octamers during transcription. Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(B) and (D) only
- 2(B), (C) and (D) only
- 3(A), (B) and (C) only
- 4(A), (B) and (D) only✓
Correct answer
(A), (B) and (D) only
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