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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

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

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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

enhancers
transcription factors
promoters
start codons

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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

none of these
transcription bubble
replication bubble
a translation bubble

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

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