Pencil sketch of the DNA double helix by Francis Crick. It shows a right-handed helix and the nucleotides of the two anti-parallel strands.
- Francis Harry Compton Crick
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Pencil sketch of the DNA double helix by Francis Crick. It shows a right-handed helix and the nucleotides of the two anti-parallel strands. Wellcome Collection. Source: Wellcome Collection.