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Transcription and Regulation

Transcription and Regulation
The complex of RNA polymerase, DNA template and new RNA transcript is called

none of these
a translation bubble
replication bubble
transcription bubble

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Transcription and Regulation
In prokaryotes, transcription is

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

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

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

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Transcription and Regulation
Transcription of each set of rRNA genes by RNA polymerasel produces

a single 28S rRNA precursor molecule
a single 45S rRNA precursor molecule
a single 5S rRNA precursor molecule
a single 18S rRNA precursor molecule

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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