DNA replication

 

A complex group of proteins called the replisome performs the replication of the information from the parent strand to the complementary daughter strand.The replisome comprises:a helicase that unwinds the super helix as well as the double-stranded DNA helix to create a replication fork SSB protein that binds open the double-stranded DNA to prevent it from reassociatingRNA primase that adds a complementary RNA primer to each template strand as a starting point for replicationDNA polymerase III that reads the existing template chain from its 3' end to its 5' end and adds new complementary nucleotides from the 5' end to the 3' end of the daughter chainDNA polymerase I that removes the RNA primers and replaces them with DNA.DNA ligase that joins the two Okazaki fragments with phosphodiester bonds to produce a continuous chain.This process typically takes place during S phase of the cell cycle. 

 

 

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