pyrimidine base

15 LETTERS · STARTS WITH P

pyrimidine base is a valid 15-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3Y4R1I1M3I1D2I1N1E1B3A1S1E1

3 + 4 + 1 + 1 + 3 + 1 + 2 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does pyrimidine base mean?