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Transcription

Transcription
An mRNA transcript of a gene contains

a stop codon
all of these
a start codon
a terminator

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Transcription
Which of these catalyzes the synthesis of RNA from a DNA template?

DNA polymerase
DNA gyrase
RNA polymerase
DNA ligase

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Transcription
The synthesis of mRNA based on a DNA template is called

DNA restriction
transcription
translation
DNA replication

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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
activation
corepression
desiccation

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

Galactoside permease
Transacetylase
All of these
β-galactosidase

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Transcription
Which of the following statement defines a replicon?

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

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