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Transcription and Regulation

Transcription and Regulation
Transcription results in

complementary DNA
messenger RNA
an amino acid chain
Okazaki fragments

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

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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
in equilibrium with free RNA polymerase and the promoter
not affected by activator proteins

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Transcription and Regulation
Transcription begins

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

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

recognition of the -10 sequence and -35 sequence
None of these
recognition of the -35 sequence only
recognition of the -10 sequence only

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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
uncompetitive inhibition of an enzyme
allosteric effects in enzyme regulation
competitive inhibition of an enzyme

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