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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

modulate transcription
are CAT box binding proteins
are adjacent to the TATA box
bind RNA polymerase

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

transcription bubble
none of these
a translation bubble
replication bubble

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

promoters
enhancers
start codons
transcription factors

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Transcription and Regulation
Transcription begins

upstream from the start codon
none of these
at the start codon
downstream from the start codon

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Transcription and Regulation
In prokaryotes, transcription is

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

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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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