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Transcription and Regulation

Transcription and Regulation
Enhancers are regions that

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

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Transcription and Regulation
Transcription results in

complementary DNA
an amino acid chain
Okazaki fragments
messenger RNA

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

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

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Transcription and Regulation
Transcription begins

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

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

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

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Transcription and Regulation
The regions of a gene located at -10 and -35, with respect to the start of transcription, are termed

oriC regions.
start codons.
promoters.
Shine Dalgarno sequences.

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