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Transcription and Regulation

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 results in

complementary DNA
an amino acid chain
messenger RNA
Okazaki fragments

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Transcription and Regulation
The closed complex at bacterial promoters is

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

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

DNA polymerase
RNA polymerase
DNA molecule
Both DNA & RNA polymerase

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Transcription and Regulation
Immediately after transcription

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

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

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

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