Assertion: nucleotide's base | /r/CapableOf | come in four chemical forms
Facets:
value: as in dna
type: OTHER
Source sentences:
text: The bases come in four chemical forms known as adenine, cytosine, guanine, and thymine, which are frequently simply abbreviated as A, C, G and T.
text: As in DNA, in RNA the bases come in four chemical forms, and the information in RNA is encoded in the sequence in which these bases are arranged.