Introduction to the Double Helix

This three dimensional (3D) animation provides a guided introduction to the structure of DNA. 

Topics

  • sugar phosphate backbone
  • phosphate
  • deoxyribose
  • base
  • nucleotide
  • hydrogen bond
  • base pair
  • double helix
  • DNA
  • helix
  • 5'
  • 3'
  • adenine
  • thymine
  • guanine
  • cytosine
  • major groove
  • minor groove