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Transcription and Regulation

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

start codons
promoters
enhancers
transcription factors

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

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

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Transcription and Regulation
Transcription results in

Okazaki fragments
complementary DNA
an amino acid chain
messenger RNA

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

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

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

TATA box
Shine Dalgarno region
CATT
SV40 region

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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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