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TRANSCRIPTION AND REGULATION

Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase I
RNA polymerase III
none of these
RNA polymerase II

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Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
Upstream regions which are essential for correct transcription are called

promoters
enhancers
transcription factors
start codons

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Transcription and Regulation
Transcription of each set of rRNA genes by RNA polymerasel produces

a single 18S rRNA precursor molecule
a single 28S rRNA precursor molecule
a single 45S rRNA precursor molecule
a single 5S rRNA precursor molecule

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Transcription and Regulation
The regions of a gene located at -10 and -35, with respect to the start of transcription, are termed

promoters.
start codons.
oriC regions.
Shine Dalgarno sequences.

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