Assertion: dna's base | /r/AtLocation | fixed pairs
Facets:
value: always
type: TEMPORAL
Source sentences:
text: Although the bases are always in fixed pairs, the pairs can come in any order (A-T or T-A; similarly, C-G or G-C).
text: Although the bases are always in fixed pairs, the pairs can come in any order (A-T or T-A; similarly, C-G or G-C).