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Discovering the structure of DNA

Discovering the structure of DNA. DNA = D eoxyribose n ucleic a cid. Made out of sugars (deoxyribose), phosphates and nitrogen bases. Discovering the structure of DNA. Structure was discovered in 1953 by James Watson and Francis Crick. Discovering the structure of DNA.

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Discovering the structure of DNA

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  1. Discovering the structure of DNA • DNA = Deoxyribose nucleic acid • Made out of sugars (deoxyribose), phosphates • and nitrogen bases

  2. Discovering the structure of DNA • Structure was discovered in 1953 by James • Watson and Francis Crick

  3. Discovering the structure of DNA Rosalind Franklin’s DNA image “Chargoff’s rule” A = T & C = G

  4. Cell division and DNA replication • Cells divide Growth, Repair, Replacement • Before cells divide they have to double cell • structures, organelles and their genetic • information

  5. DNA replication

  6. DNA replication

  7. DNA replication

  8. DNA replication

  9. DNA replication

  10. DNA replication Original DNA strands

  11. DNA replication Newly assembled DNA strands

  12. DNA replication Semi-conservative replication

  13. DNA replication Let’s build our own DNA model and simulate DNA replication

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