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Transcription and Regulation

Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase II
RNA polymerase I
RNA polymerase III
all of these

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

replication bubble
a translation bubble
none of these
transcription bubble

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Transcription and Regulation
Promoters for tRNAs are located

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

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Transcription and Regulation
The closed complex at bacterial promoters is

not affected by promoter mutations
not affected by activator proteins
bound more tightly when repressors are present
in equilibrium with free RNA polymerase and the promoter

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Transcription and Regulation
In prokaryotes, transcription is

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

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

Both DNA & RNA polymerase
RNA polymerase
DNA molecule
DNA polymerase

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