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Transcription and Regulation

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

DNA polymerase
DNA molecule
RNA polymerase
Both DNA & RNA polymerase

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Transcription and Regulation
Promoters for tRNAs are located

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

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

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

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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
In prokaryotes, transcription is

terminated by a protein called rho
terminated by the stop codon
terminated by a start codon
terminated by a poly A sequence

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