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DNA Replication


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

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Multiple choice

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1.

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
 

2.

The enzyme that stitches Okazaki fragments together (along the lagging strand) is called :

  DNA Polymerase II

  DNA Ligase

  Topoisomerase

  Holoenzyme

  Half-n-half Clue
 

3.

The end of a DNA strand that has a phosphate group attached to the number 5 carbon of its terminal deoxyribonucleotide is called :

  The 5 prime end (5')

  The 3 prime end (3')

  N-Terminus

  C-Terminus

  Half-n-half Clue
 

4.

In DNA, mutations at G-C sequences occur quite frequently since 5-methyl cytosine easily deaminates to form :

  Thymine

  Adenine

  Guanine

  Cytosine

  Half-n-half Clue
 

5.

DNA Polymerase III is actually an aggregate of several different protein subunits. So it is often called a :

  Holoenzyme

  Primeosome

  replisome

  None of the above

  Half-n-half Clue
 

6.

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
 

7.

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
 


 
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