The RNA Nucleobase Replaced by Thymine in DNA
This page is the CodyCross answer for the clue below from Space Exploration, Group 904, Puzzle 4 (Intense Training).
Question is: The RNA Nucleobase Replaced by Thymine in DNA
and the answer is: URACIL
Word Meaning:
URACIL — (organic chemistry) One of the bases of RNA, pairing with adenine.
Definitions from Wiktionary.