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Transcription and Regulation

Transcription and Regulation
Promoters for tRNAs are located

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

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

recognition of the -10 sequence and -35 sequence
recognition of the -35 sequence only
recognition of the -10 sequence only
None of these

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Transcription and Regulation
Transcription begins

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

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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 about 50 nucleotides of uncomplexed mRNA
requires ATP

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

promoters
enhancers
start codons
transcription factors

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Transcription and Regulation
Transcription factors are

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

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