Double Helix Molecule Crossword Clue — 3 Letters

One confident answer with explanation of the wordplay

DNA
Best match
D
N
A

DNA (deoxyribonucleic acid) is the classic double-helix molecule, famously described by Watson and Crick. This is a straightforward definition clue with a well-known 3-letter answer.

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Other possible answers
RNARNA is also a nucleic acid molecule, though it is typically single-stranded, not a double helix.

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