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Transcription and Regulation

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

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

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

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

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Transcription and Regulation
Transcription factors are

proteins which bind to DNA and regulate transcription
CATT boxes
TATA boxes
promoters

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Transcription and Regulation
Immediately after transcription

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

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

multisubunit enzymes
only active inside the cell
interchangable with DNA polymerases
highly glycosylated in their active forms

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

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

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