Assertion: dna's base | /r/HasProperty | linked to each other
Facets:
value: with hydrogen bonds
type: OTHER
value: critically
type: DEGREE
Source sentences:
text: Critically, these bases are linked to each other with hydrogen bonds, forming the "rungs" of a structure that, if not wound into a helix, would resemble a ladder; in this model, the sugars and phosphates form the sides.