Answer: AMINOACID

The crossword puzzle answer AMINOACID has 4 different clues. We have seen it appear in puzzles 3 times.

Crossword puzzle clues for AMINOACID:

• Protein building block
• Lysine (2 wds.)
• Protein builder
• Tryptophan or lysine

Usage in crossword puzzles

• Washington Post Daily Crossword Puzzle - 2003-06-20

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