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Transcription and Regulation

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
Immediately after transcription

both (a) and (b)
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

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

None of these
three phases known as initiation, elongation and termination
four phases known as initiation, propagation, elongation and termination
two phases known as initiation and termination

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Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

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

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