DNA replication videos you need to watch probably all of them twice!

Bozeman - structure of DNA- DO THIS ONE FIRST
https://www.youtube.com/watch?v=q6PP-C4udkA


DNA replication animation
https://www.youtube.com/watch?v=I9ArIJWYZHI


DNA replication crash course
https://www.youtube.com/watch?v=8kK2zwjRV0M