Assertion: double helix | /r/CapableOf | add archive
Facets:
Source sentences:
text: Double helices add archive https://web.archive.org/web/20120621054514/http://www.accessexcellence.org/AE/AEC/CC/DNA_structure.php to http://www.accessexcellence.org/AE/AEC/CC/DNA_structure.php