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___ acid (building block of proteins) (crossword clue)

5 squares · Mini Crossword · March 10, 2026 · The answer stays hidden until you tap it

This clue appeared in the Mini Crossword on Tuesday, March 10, 2026 (7 Across). The answer is hidden below until you want it.

How to read this clue

This is a fill-in-the-blank clue: the answer completes the phrase, title or quotation.

Answer length: 5 squares

First letter

A _ _ _ _

First and last letters

A _ _ _ O

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About the answer

AMINO as a word: (organic chemistry) An amino acid; (organic chemistry) Relating to an amine.

AMINO has been an answer 7 times in the NYT Crossword and Mini since November 24, 2025.

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