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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

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

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Transcription and Regulation
Transcription begins

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

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Transcription and Regulation
In prokaryotes, transcription is

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

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Transcription and Regulation
The closed complex at bacterial promoters is

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

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Transcription and Regulation
Transcription results in

Okazaki fragments
an amino acid chain
complementary DNA
messenger RNA

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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 II
RNA polymerase I
none of these
RNA polymerase III

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