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Transcription and Regulation

Transcription and Regulation
Transcription results in

Okazaki fragments
messenger RNA
complementary DNA
an amino acid chain

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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

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

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

Both DNA & RNA polymerase
DNA molecule
DNA polymerase
RNA polymerase

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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
CATT
SV40 region
Shine Dalgarno region

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Transcription and Regulation
Rho-dependent termination of transcription in E. coli

requires ATP
both (a) and (b)
removes mRNA and holoenzyme from the DNA
requires about 50 nucleotides of uncomplexed mRNA

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Transcription and Regulation
The closed complex at bacterial promoters is

bound more tightly when repressors are present
in equilibrium with free RNA polymerase and the promoter
not affected by promoter mutations
not affected by activator proteins

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