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Transcription and Regulation

Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA polymerase
RNA polymerase
Both DNA & RNA polymerase
DNA molecule

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

none of these
a translation bubble
replication bubble
transcription bubble

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

Shine Dalgarno region
TATA box
CATT
SV40 region

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

four phases known as initiation, propagation, elongation and termination
None of these
two phases known as initiation and termination
three phases known as initiation, elongation and termination

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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 45S rRNA precursor molecule
a single 28S 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

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

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