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Transcription and Regulation

Transcription and Regulation
Each tRNA molecule has a cloverleaf secondary structure consisting of

four stem loops
two stem loops
either (a) or (b)
three stem loops

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

none of these
replication bubble
transcription bubble
a translation bubble

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Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase III
RNA polymerase II
RNA polymerase I
all of these

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

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

SV40 region
Shine Dalgarno region
TATA box
CATT

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Transcription and Regulation
In prokaryotes, transcription is

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

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