Shared flowchart

Biology · L4 · DNA replication: key enzymes and the replication fork

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DNA replication fork showing helicase, primase, DNA polymerase, and ligase action.

by @openstemUpdated Biology
Helicase(unwinds double helix)SSB proteins(stabilise single strands)Topoisomerase(relieves torsional stress)Primase(synthesises RNA primer)DNA Pol III(extends 5′→3′)DNA Pol I(removes RNA primers,fills gaps)DNA Ligase(seals nicks)Leading strand(continuous synthesis)Lagging strand(Okazaki fragments)Opens replication forkProvides 3′-OHContinuousDiscontinuous fragments

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