PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Making a single molecule of a sterol, such as cholesterol, from scratch requires at least 10 molecules of O2; since the molecular fossils date back to 300 million years before the GOE, some have interpreted them as the earliest evidence of oxygen's presence on Earth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org