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Transcription and Regulation

Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
The closed complex at bacterial promoters is

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

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

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

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

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Transcription and Regulation
Transcription results in

complementary DNA
an amino acid chain
messenger RNA
Okazaki fragments

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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