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Transcription (RNA Synthesis)


This quiz is based on the process of Transcription (RNA synthesis).

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Multiple choice

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1.

The sequence of bases located prior to the gene (along the DNA strand), to which a complex of RNA polymerase and sigma factors attaches itself to initiate transcription is called :

  promotor

  telomere

  terminator

  exon

  Half-n-half Clue
 

2.

Sections of DNA within a gene that do not encode part of the protein that the gene produces are called :

  Introns

  Transposons

  intein

  Exons

  Half-n-half Clue
 

3.

The bacterial promotor sequence usually found at the -10 position (ten base pairs upstream of the transcription start site) is :

  TATTAT

  TATAAT

  TTGACA

  TAGACA

  Half-n-half Clue
 

4.

A G-C-rich stretch of nucleotides, followed by an A-T-rich stretch of nucleotides is the signal for :

  Initiation

  transcription

  Rho dependent termination

  Rho independent termination

  Half-n-half Clue
 

5.

A gene that encodes RNA that functions without being translated into a protein is called :

  An RNA gene

  AN Oncogene

  A quiet gene

  A pseudogene

  Half-n-half Clue
 

6.

The lac repressor protein binds to the operator region...

  in the absence of lactose

  in the presence of lactose

  in the presence of cAMP

  in the absence of glucose

  Half-n-half Clue
 

7.

A collection of genes including one which acts as a switch that governs the expression of the structural genes in the collection is called :

  An Operon

  lac operon

  A regulon

  Does everything have to have a name ? ? ! !

  Half-n-half Clue
 


 
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