TRANSCRIPTION QUIZ

The synthesis of mRNA based on a DNA template is called

translation

transcription

DNA replication

DNA restriction

TRUE ANSWER : ?
YOUR ANSWER : ?

An mRNA transcript of a gene contains

a terminator

a stop codon

all of these

a start codon

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YOUR ANSWER : ?

Which of the following statement defines a replicon?

A DNA template which is used in transcription

The enzyme responsible for transposition

A DNA molecule that encodes pili for conjugation

A DNA molecule that is able to replicate and be maintained

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YOUR ANSWER : ?

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

TF II B

RNA polymerase

TF II A

TF II D

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YOUR ANSWER : ?

Recognition/binding site of RNA polymerase is called

promoter

facilitator

receptor

terminator

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YOUR ANSWER : ?

Which of the following enzyme is used for synthesis of RNA under the direction of DNA?

DNA polymerase

RNA ligase

RNA polymerase

DNA ligase

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YOUR ANSWER : ?

What is the usual sequence of a Pribnow box?

AUAUA

UUUUU

TTGACA

TATAAT

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YOUR ANSWER : ?

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

activation

corepression

attenuation

desiccation

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YOUR ANSWER : ?

The components found in all prokaryotic transcription terminators is

none of these

Rho factor

a hairpin structure

a poly-U region

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YOUR ANSWER : ?

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

DNA polymerase

DNA gyrase

RNA polymerase

DNA ligase

TRUE ANSWER : ?
YOUR ANSWER : ?

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