About: http://webisa.webdatacommons.org/151228958

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	Question and answerWhich is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?
http://www.w3.org/ns/prov#wasQuotedFrom	weegy.com