Assertion: codon's base | /r/HasProperty | guanine
Facets:
Source sentences:
text: The four bases of RNA are Adenine, Cytosine, Guanine, and Uracil.
text: RNA is made of four bases known as adenine, cytosine, guanine and uracil.
text: These four bases are adenine, cytosine, guanine, and thymine.