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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.

Genes that are expressed at all times and under all conditions of growth are called :

  constitutive genes

  chimeric genes

  antibody genes

  regulatable genes

  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 :

  intein

  Exons

  Transposons

  Introns

  Half-n-half Clue
 

3.

A segment of DNA that includes regions preceding and following the coding DNA ( introns as well as exons ) is called :

  retroposon

  transposon

  cistron

  operon

  Half-n-half Clue
 

4.

A RNA transcript (whose base sequence is complementary to that of the mRNA of a gene) that can inhibit the expression of a gene by forming a duplex with the mRNA strand is called :

  antisense RNA

  tRNA

  dsRNA

  rRNA

  Half-n-half Clue
 

5.

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

  Rho dependent termination

  Rho independent termination

  Initiation

  transcription

  Half-n-half Clue
 

6.

The series of three consecutive mRNA bases coding for one specific amino acid in a protein is called a :

  transposon

  codon

  intron

  exon

  Half-n-half Clue
 

7.

Proteins that bind between the promotor region and the section of the gene which is transcribed thus blocking transcription (preventing gene expression) are called :

  Activators

  inducer

  Repressors

  Operator

  Half-n-half Clue
 


 
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