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Transcription and Regulation

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

a translation bubble
transcription bubble
replication bubble
none of these

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Transcription and Regulation
Promoters for tRNAs are located

both (a) and (b)
upstream from the start codon
downstream from the start codon
none of these

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Transcription and Regulation
In prokaryotes, transcription is

terminated by a protein called rho
terminated by a start codon
terminated by a poly A sequence
terminated by the stop codon

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

beta subunit
sigma subunit
both (a) and (b)
alpha subunit

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA polymerase
DNA molecule
RNA polymerase
Both DNA & RNA polymerase

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

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

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