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Transcription and Regulation

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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Transcription and Regulation
Immediately after transcription

a methylated guanine cap is added to the 31 end of the transcript
both (a) and (b)
a methylated guanine cap is added to the 51 end of the transcript
a poly adenylation signal is added

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

Both DNA & RNA polymerase
RNA polymerase
DNA molecule
DNA polymerase

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Transcription and Regulation
RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________

transcription, DNA polymerase
translation, RNA polymerase
replication, DNA polymerase
transcription, RNA polymerase

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

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

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