In this easy to digest video, you will learn how semi-conservative DNA replication works.
We cover breaking the hydrogen bonds to unwind the double stranded helix. Semi-conservative means half of the DNA is retained and the other half is new.

This is critical information for A Level students. In the exam you will be required to evaluate the work of scientists in validating the Watson–Crick model of DNA replication.

*EXAM TIP: The structure of DNA was discovered by scientists called Watson and Crick who also proposed the theory that DNA replicates by semi-conservative replication. In the exam (for AQA Students) will be required to know this and the spelling too! Semi-conservative DNA replication was later proven by other scientists (Meselson and Stahl).

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Improve a grade GUARANTEED in A Level Biology, Chemistry, or Maths by using our revision materials.

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