Assertion: cytosine | /r/HasProperty | complementary
Facets:
value: to guanine
type: LOCATION
Source sentences:
text: Guanine and cytosine are complementary, always appearing opposite each other on the helix, as are adenine and thymine.
text: The four nitrogen bases are complementary – adenine is complementary to thymine, cytosine is complementary to guanine – and the pairs form hydrogen bonds when the 5'/3' ends of their attached sugar-phosphate groups are oriented anti-parallel to one another.