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Transcription and Regulation

Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
Promoters for tRNAs are located

downstream from the start codon
both (a) and (b)
none of these
upstream from the start codon

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

transcription factors
start codons
promoters
enhancers

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Transcription and Regulation
Rho-dependent termination of transcription in E. coli

requires about 50 nucleotides of uncomplexed mRNA
requires ATP
removes mRNA and holoenzyme from the DNA
both (a) and (b)

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

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

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Transcription and Regulation
The complex of RNA polymerase, DNA template and new RNA transcript is called

replication bubble
a translation bubble
transcription bubble
none of these

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