7 Across
NYT Mini • September 19, 2025
___ acid (protein builder)
Answer:
AMINO
Hint:
Think of the essential compounds that form chains to create peptides; their name starts with the same letter as "alpha."
Explanation:
This clue is asking for a type of acid that serves as a building block for proteins. The blank suggests a short word, and "amino acid" fits perfectly—it’s a well-known term in biology for compounds that combine to form proteins. The clue is straightforward with no wordplay, just a direct definition where "protein builder" hints at the role of amino acids in the body.
More Clues from This Puzzle
General solving tip
Fill-in-the-blank clues want a set phrase or idiom. The crosses usually confirm the exact wording.
More tips → General Hints