DNA Replication

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

Monday, 21 March 2016


Enzyme / Protein
Function
Helicase
Unwind DNA double helix strand
Single-strand binding protein
Stabilize and prevent single stranded dna form recoil until replicated
Topoisomerase (gyrase)
Prevent supercoiling and knot formation
Primase
Synthesized short RNA primer by adding RNA nucleotide
DNA Polymerase III
Add free DNA nucleotides to 3' end of short RNA primer
DNA Polymerase I
Replaces RNA primer with DNA nucleotides
DNA LigaseJoin Okazaki fragment by forming phosphodiester bond

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