Which of the following statements is true regarding thymine [THIGH-meen], cytosine [sigh-toh-seen], and uracil [YUR-ah-sil]?
A.
They can all be found in RNA
B.
They can all be found in DNA
C.
They are all purines [PURE-eens]
D.
They are all pyrimidines [pur-RIM-ih-deens]
