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Transcription and Regulation

Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
Each tRNA molecule has a cloverleaf secondary structure consisting of

either (a) or (b)
three stem loops
two stem loops
four stem loops

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

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

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

transcription factors
enhancers
promoters
start codons

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Transcription and Regulation
Transcription results in

complementary DNA
an amino acid chain
messenger RNA
Okazaki fragments

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