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Transcription

Transcription
Which of the following proteins first binds to TATA box during transcription?

RNA polymerase
TF II B
TF II A
TF II D

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Transcription
A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called

attenuation
desiccation
activation
corepression

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Transcription
Which of the following enzyme(s) is/are required for lactose fermentation?

Transacetylase
β-galactosidase
All of these
Galactoside permease

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Transcription
A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes.

gamma
delta
sigma
beta

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Transcription
Which of the following statement defines a replicon?

The enzyme responsible for transposition
A DNA molecule that encodes pili for conjugation
A DNA template which is used in transcription
A DNA molecule that is able to replicate and be maintained

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Transcription
An mRNA transcript of a gene contains

a stop codon
all of these
a start codon
a terminator

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