Slide 1 : Discovering the structure of DNA DNA = Deoxyribose nucleic acid Made out of sugars (deoxyribose), phosphates
and nitrogen bases
Slide 2 : Discovering the structure of DNA Structure was discovered in 1953 by James
Watson and Francis Crick
Slide 3 : Discovering the structure of DNA Rosalind Franklin’s DNA image “Chargoff’s rule”
A = T & C = G
Slide 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
Slide 5 : DNA replication
Slide 6 : DNA replication
Slide 7 : DNA replication
Slide 8 : DNA replication
Slide 9 : DNA replication
Slide 10 : DNA replication Original DNA strands
Slide 11 : DNA replication Newly assembled DNA strands
Slide 12 : DNA replication Semi-conservative replication
Slide 13 : DNA replication Let’s build our own DNA model and simulate DNA replication