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Transcription and Regulation

Transcription and Regulation
Upstream regions which are essential for correct transcription are called

enhancers
start codons
transcription factors
promoters

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Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase II
all of these
RNA polymerase III
RNA polymerase I

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Transcription and Regulation
Transcription factors are

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

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Transcription and Regulation
Transcription of each set of rRNA genes by RNA polymerasel produces

a single 18S rRNA precursor molecule
a single 28S rRNA precursor molecule
a single 5S rRNA precursor molecule
a single 45S rRNA precursor molecule

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Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

mixed-type inhibition of an enzyme
allosteric effects in enzyme regulation
uncompetitive inhibition of an enzyme
competitive inhibition of an enzyme

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Transcription and Regulation
Enhancers are regions that

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

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