About: http://webisa.webdatacommons.org/381868482

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Nitrogen is a key element for : Nitrogen is a key element for amino acids
http://www.w3.org/ns/prov#wasQuotedFrom	authorstream.com