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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

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

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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
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 by E. coli polymerase occurs in

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

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

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Transcription and Regulation
Rho-dependent termination of transcription in E. coli

removes mRNA and holoenzyme from the DNA
requires about 50 nucleotides of uncomplexed mRNA
requires ATP
both (a) and (b)

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