TRANSCRIPTION QUIZ

What is the usual sequence of a Pribnow box?

AUAUA

TATAAT

TTGACA

UUUUU

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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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Which eukaryotic RNA polymerase makes tRNA's?

RNA polymerase 1

RNA polymerase 3

RNA polymerase 2

Any of these

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Which of the following statement defines a replicon?

The enzyme responsible for transposition

A DNA molecule that encodes pili for conjugation

A DNA molecule that is able to replicate and be maintained

A DNA template which is used in transcription

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The components found in all prokaryotic transcription terminators is

a poly-U region

Rho factor

none of these

a hairpin structure

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Which of the following is a product of transcription?

tRNA

all of these

mRNA

rRNA

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Recognition/binding site of RNA polymerase is called

promoter

terminator

facilitator

receptor

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

sigma

beta

gamma

delta

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The location of first hexameric sequence typically found in pro-karyotic promoters is

approximately 35 bases upstream of the transcription start site

approximately 10 bases upstream of the transcription start site

at the transcription start site

approximately 25 bases upstream of the transcription start site

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An mRNA transcript of a gene contains

a stop codon

a start codon

all of these

a terminator

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