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Transcription and Regulation

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
Transcription factors are

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

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Transcription and Regulation
RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________

replication, DNA polymerase
transcription, RNA polymerase
translation, RNA polymerase
transcription, DNA polymerase

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

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

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

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Transcription and Regulation
Immediately after transcription

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

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