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Transcription and Regulation

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

replication bubble
transcription bubble
none of these
a translation bubble

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Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase III
none of these
RNA polymerase I
RNA polymerase II

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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
multisubunit enzymes
only active inside the cell

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Transcription and Regulation
Enhancers are regions that

bind RNA polymerase
modulate transcription
are CAT box binding proteins
are adjacent to the TATA box

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

transcription factors
promoters
enhancers
start codons

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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
two phases known as initiation and termination
four phases known as initiation, propagation, elongation and termination

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