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Transcription and Regulation

Transcription and Regulation
The complex of RNA polymerase, DNA template and new RNA transcript is called

none of these
a translation bubble
transcription bubble
replication bubble

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

None of these
recognition of the -10 sequence and -35 sequence
recognition of the -35 sequence only
recognition of the -10 sequence only

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

four phases known as initiation, propagation, elongation and termination
None of these
three phases known as initiation, elongation and termination
two phases known as initiation and termination

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Transcription and Regulation
Immediately after transcription

a methylated guanine cap is added to the 51 end of the transcript
a methylated guanine cap is added to the 31 end of the transcript
both (a) and (b)
a poly adenylation signal is added

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Transcription and Regulation
Rho-dependent termination of transcription in E. coli

removes mRNA and holoenzyme from the DNA
requires about 50 nucleotides of uncomplexed mRNA
requires ATP
both (a) and (b)

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Transcription and Regulation
Transcription begins

downstream from the start codon
at the start codon
upstream from the start codon
none of these

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