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Transcription and Regulation

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

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

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

None of these
two phases known as initiation and termination
three phases known as initiation, elongation and termination
four phases known as initiation, propagation, elongation and termination

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Transcription and Regulation
The nucleons of eukaryotic cell has

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

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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Transcription and Regulation
Transcription factors are

promoters
TATA boxes
CATT boxes
proteins which bind to DNA and regulate transcription

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Transcription and Regulation
Transcription results in

complementary DNA
an amino acid chain
messenger RNA
Okazaki fragments

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