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

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Presentation transcript:

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

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

DNA replication

Original DNA strands

DNA replication Newly assembled DNA strands

DNA replication Semi-conservative replication

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

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