Assertion: dna's base | /r/HasProperty | held by hydrogen bonds
Facets:
value: together
type: MANNER
Source sentences:
text: The bases are held together by hydrogen bonds.
text: The bases are held together by hydrogen bonds.
text: The phosphate groups are held together by a phosphodiester bond and the bases are held together by hydrogen bonds.
text: These bases are held together by hydrogen bonds, which form the “rungs” of the “twisted ladder.