The clue refers to 'amino acids,' which are the building blocks of proteins. The term 'acid' in the clue indicates a type of acid, and 'in proteins' specifies that this acid is related to protein structure, leading to 'amino.'

Q3.

In which puzzle was the clue "Acid in proteins" last seen?

This clue was last seen in the WSJ Crossword on January 24, 2026.

Q4.

What does the word "AMINO" mean in this context?

Amino refers to a type of acid that is a fundamental component of proteins.

Q5.

What are some other crossword clues that share the same answer?

NH2 group, Important acid type, Question from someone seeking reassurance, Kind of protein-building acid, ___ acid (building block of proteins)

The clue “Acid in proteins” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated January 24 2026, the definitive 5-letter answer is: AMINO.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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Acid in proteins WSJ Crossword Clue

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WSJ Crossword January 24 2026 Answers

Clue History: Acid in proteins

Frequently Asked Questions About This Clue

What is the most likely answer for the crossword clue "Acid in proteins"?

Why is "AMINO" the answer to the clue "Acid in proteins"?

In which puzzle was the clue "Acid in proteins" last seen?

What does the word "AMINO" mean in this context?

What are some other crossword clues that share the same answer?

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