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Transcription and Regulation

Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

TATA box
CATT
Shine Dalgarno region
SV40 region

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

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

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

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

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Transcription and Regulation
Enhancers are regions that

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

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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
The nucleons of eukaryotic cell has

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

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