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Transcription and Regulation

Transcription and Regulation
Transcription begins

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

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Transcription and Regulation
The closed complex at bacterial promoters is

not affected by activator proteins
bound more tightly when repressors are present
not affected by promoter mutations
in equilibrium with free RNA polymerase and the promoter

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Transcription and Regulation
In prokaryotes, transcription is

terminated by the stop codon
terminated by a start codon
terminated by a poly A sequence
terminated by a protein called rho

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

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

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Transcription and Regulation
Transcription factors are

TATA boxes
proteins which bind to DNA and regulate transcription
CATT boxes
promoters

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

TATA box
Shine Dalgarno region
SV40 region
CATT

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