PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Based on available data from X-ray diffraction patterns and 3D conceptualization through model building, Watson and Crick proposed that DNA is a double helix ?????????? a twisted ladder ?????????? with two phosphate-based backbones and runged nucleotides that pair.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov