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Transcription and Regulation

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
Transcription results in

complementary DNA
messenger RNA
an amino acid chain
Okazaki fragments

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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
Transcription by E. coli polymerase occurs in

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

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Transcription and Regulation
Transcription begins

at the start codon
downstream from the start codon
none of these
upstream from the start codon

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

transcription bubble
replication bubble
a translation bubble
none of these

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