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Transcription and Regulation

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

promoters
transcription factors
enhancers
start codons

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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

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

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Transcription and Regulation
Transcription factors are

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

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

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

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Transcription and Regulation
Immediately after transcription

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

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Transcription and Regulation
Transcription begins

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

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MORE MCQ ON Transcription and Regulation

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