DNA Replication

Meselson And Stahl Experiment  Three Proposed Models for DNA Replication Replication is the process by which a...

Monday, 21 March 2016

(JOINING OKAZAKI FRAGMENT)



  • DNA Polymerase I will replaces the RNA primer by adding free DNA nucleotides producing new complete DNA strands.
  • DNA Ligase form phosphodiester bond to join Okazaki fragment at lagging strand.
  • Two identical copies of original DNA are produced in DNA replication.











Extra Note

  • Both parental strands of DNA act as a template. 
  • Elongation is in the direction of 5' end to 3' end.
  • Replication is bidirectional.
  • Mode of replication is semi-conservative ( Model by Meselson and Stahl )
  • Result, two identical copies of original DNA.

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