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DNA Replication


This quiz is based on the process of DNA replication in both Prokaryotes and Eukaryotes.

Formats Info Page Worksheet / Test Paper Quiz Review
Multiple choice

Your Performance  

1.

The enzyme X removes RNA primers attached by Primase and this gap is then filled in by DNA Polymerase I. The enzyme X is :

  RNase H

  DNA amylase

  DNA ligase

  Reverse Transcriptase

  Half-n-half Clue
 

2.

An enzyme (used by all retroviruses) that transcribes genetic information of the virus from RNA into DNA, is :

  Reverse transcriptase

  RNA polymerase

  Restriction nuclease

  Methylase

  Half-n-half Clue
 

3.

An enzyme that recognizes and cuts DNA only at a particular sequence of nucleotides is often called :

  Restriction endonuclease

  RNA polymerase

  Photolyase

  DNA glycosylase

  Half-n-half Clue
 

4.

A repeating DNA sequence at the end of chromosomes that prevents them from losing base pair sequences at their ends and from fusing together is called :

  A Telomere

  A Telomerase

  A replicon

  None of the above.

  Half-n-half Clue
 

5.

What does transformation involve in Bacteria ?

  the creation of a strand of DNA from RNA

  the infection of cells by a phage DNA molecule

  the creation of a strand of RNA from DNA

  assimilation of external DNA into a cell

  Half-n-half Clue
 

6.

The enzyme that creates a short RNA oligonucleotide at initiation sites where replication is to be carried out is called :

  Primase

  DNA Ligase

  DNA Gyrase

  Exonuclease

  Half-n-half Clue
 

7.

The enzyme that replaces the nucleotides of the RNA primer with the appropriate DNA nucleotides is :

  DNA Polymerase II

  RNA Polymerase

  DNA Ligase

  DNA Gyrase

  Half-n-half Clue
 


 
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