Answer:

adenine

Answer	Crossword Clue
ADENINE	Thymine's counterpart
ADENINE	Base in DNA
ADENINE	Constituent of DNA

ADENINE	It pairs with thymine in DNA
ADENINE	DNA component
ADENINE	DNA compound
ADENINE	Component of DNA or RNA
ADENINE	Constituent of DNA and RNA
ADENINE	Base found in DNA and RNA
ADENINE	Base in DNA and RNA
ADENINE	Nucleic acid base

ADENINE	DNA component
ADENINE	One of the four bases in DNA

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.