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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.

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

  Introns

  intein

  Exons

  Transposons

  Half-n-half Clue
 

2.

Due to the presence of Introns and Exons, in Eukaryotes the splicing process of pre-mRNA can lead to different ripe mRNA molecules and therefore to different proteins. This phenomenon is called :

  alternative splicing

  exonic splicing

  intronic splicing

  gene splicing

  Half-n-half Clue
 

3.

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

  constitutive genes

  antibody genes

  regulatable genes

  chimeric genes

  Half-n-half Clue
 

4.

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

  Repressors

  Operator

  Activators

  inducer

  Half-n-half Clue
 

5.

An RNA molecule that can catalyze either its own cleavage (self-splicing) or the cleavage of other RNA molecules is :

  A chaperone enzyme.

  A spliceosome

  A ribozyme

  An inducer

  Half-n-half Clue
 

6.

The process by which messenger RNA is synthesized by complementary base pairing of ribonucleotides with deoxyribonucleotides to match a section of DNA (a gene) is called :

  Translation

  Replication

  Transcription

  I have no idea ! !

  Half-n-half Clue
 

7.

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 :

  terminator

  telomere

  exon

  promotor

  Half-n-half Clue
 

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