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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

are CAT box binding proteins
modulate transcription
are adjacent to the TATA box
bind RNA polymerase

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Transcription and Regulation
Promoters for tRNAs are located

both (a) and (b)
upstream from the start codon
none of these
downstream from the start codon

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Transcription and Regulation
Transcription results in

complementary DNA
Okazaki fragments
an amino acid chain
messenger RNA

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

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

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Transcription and Regulation
The closed complex at bacterial promoters is

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

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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
TATA box
CATT
Shine Dalgarno region

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