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Transcription and Regulation

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
Transcription factors are

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

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA molecule
Both DNA & RNA polymerase
DNA polymerase
RNA polymerase

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Transcription and Regulation
In prokaryotes, transcription is

terminated by a poly A sequence
terminated by a protein called rho
terminated by the stop codon
terminated by a start codon

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Transcription and Regulation
Enhancers are regions that

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

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Transcription and Regulation
Immediately after transcription

a poly adenylation signal is added
a methylated guanine cap is added to the 51 end of the transcript
a methylated guanine cap is added to the 31 end of the transcript
both (a) and (b)

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