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Transcription and Regulation

Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase I
all of these
RNA polymerase II
RNA polymerase III

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Transcription and Regulation
The closed complex at bacterial promoters is

in equilibrium with free RNA polymerase and the promoter
bound more tightly when repressors are present
not affected by activator proteins
not affected by promoter mutations

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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 RNA polymerases that transcribe bacterial DNA are

multisubunit enzymes
interchangable with DNA polymerases
only active inside the cell
highly glycosylated in their active forms

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

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

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Transcription and Regulation
Transcription results in

an amino acid chain
messenger RNA
complementary DNA
Okazaki fragments

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