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Transcription and Regulation

Transcription and Regulation
Transcription begins

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

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

start codons
enhancers
promoters
transcription factors

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Transcription and Regulation
Promoters for tRNAs are located

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

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Transcription and Regulation
Immediately after transcription

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

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Transcription and Regulation
Transcription factors are

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

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

Both DNA & RNA polymerase
DNA polymerase
RNA polymerase
DNA molecule

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