This biology video tutorial provides a basic introduction into DNA replication. It discusses the difference between the leading strand and the lagging strand as well as the presence of okazaki fragments.

Here is a list of topics:
0:00 Intro to DNA Replication
0:00 Semiconservative Replication
0:49 DNA strands are antiparallel
1:07 Complementary Base Pairing In DNA
2:05 Hydrogen Bonds Between Adenine, Thymine, Cytosine, and Guanine In DNA
2:39 Bidirectionality of DNA and Origin of Replication
3:26 DNA Helicase and Topoisomerase
4:30 Single Stranded Binding (SSB) Proteins
4:53 RNA Primers and Primase
5:27 DNA Polymerase III
5:49 Semidiscontinuous Nature of DNA Replication
6:40 Leading Strand and Lagging Strand
9:00 Okazaki Fragments
9:13 The Function of DNA Ligase
9:30 Exonuclease Activity of DNA Polymerase I and III Proofreading Ability and DNA Repair

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