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Transcription and Regulation

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

both (a) and (b)
sigma subunit
alpha subunit
beta subunit

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Transcription and Regulation
Enhancers are regions that

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

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

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

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

multisubunit enzymes
highly glycosylated in their active forms
only active inside the cell
interchangable with DNA polymerases

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

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

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Transcription and Regulation
Transcription results in

Okazaki fragments
an amino acid chain
complementary DNA
messenger RNA

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