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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

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

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Transcription and Regulation
Transcription begins

none of these
downstream from the start codon
at the start codon
upstream from the start codon

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

beta subunit
alpha subunit
sigma subunit
both (a) and (b)

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Transcription and Regulation
Transcription factors are

promoters
TATA boxes
CATT boxes
proteins which bind to DNA and regulate transcription

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Transcription and Regulation
Immediately after transcription

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

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

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