DNA Replication (Leading and Lagging Strands)

graph TD N1["Origin of replication"] N2["Helicase unwinds duplex"] N3["Primase makes RNA primer"] N4["Pol extends leading strand"] N5["Lagging: Okazaki fragments"] N6["Primers removed; gaps filled"] N7["Ligase seals nicks"] N8{"Fork continues?"} N9["Two daughter duplexes"] N1 --> N2 N2 --> N3 N3 --> N4 N3 --> N5 N5 --> N6 N6 --> N7 N4 --> N8 N7 --> N8 N8 -->|continue| N2 N8 -->|done| N9 style N1 fill:#ff6b6b,color:#fff style N2 fill:#51cf66,color:#fff style N3 fill:#51cf66,color:#fff style N4 fill:#51cf66,color:#fff style N5 fill:#51cf66,color:#fff style N6 fill:#51cf66,color:#fff style N7 fill:#51cf66,color:#fff style N8 fill:#74c0fc,color:#fff style N9 fill:#b197fc,color:#fff