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“Molecule used for vaccines”

The verified answer to the Newsday Crossword clue “Molecule used for vaccines”, with letter-by-letter analysis and the full puzzle context for the Wednesday, July 30, 2025 puzzle.

Published · Down · 3 letters

Hints first

Letters 3
First letter R
Last letter A
R ? A

A 3-letter down entry from the Wednesday puzzle

The Answer

R N A

The answer to “Molecule used for vaccines” is RNA

Letters 3
Direction Down
Published Jul 30, 2025

Letter analysis: the 3-letter answer

Vowels, consonants, and crossword construction notes
Unique 3 of 3 positions
Vowels 1 33% of word
Consonants 2 non-vowels
First letter R starts with

The clue “Molecule used for vaccines” appeared in the Newsday Crossword on Wednesday, July 30, 2025 as a down entry. The verified answer is RNA — a 3-letter word that begins with R and ends with A.

This answer contains 1 vowel and 2 consonants. The Newsday Crossword is published daily by Newsday on Long Island and edited by Stan Newman, whose Saturday Stumper is widely considered one of the toughest mainstream crosswords in print.

Other clues with the answer RNA

RNA has been used as the answer for these Newsday Crossword clues
“Molecule with much ribose” Jun 12, 2026 “Molecule with much ribose” Jun 12, 2026 “Molecule with much ribose” Jun 12, 2026 “One-strand molecule” Mar 19, 2026 “"Micro" discovery that won a 2024 Nobel Prize” Mar 14, 2026 “Single-strand genetic letters” Feb 4, 2026 “Chain letters” Jan 10, 2026 “Cellular material” Oct 31, 2025 “Single-helix molecule” Jun 22, 2025 “Basis of recent vaccines” Jun 8, 2025 “Single-strand molecule” May 18, 2025

More clues from the July 30, 2025 puzzle

Wednesday Newsday Crossword
View full puzzle
Soft metal 3 ℓ · D All the time 4 ℓ · D 49-Across resident 3 ℓ · D Cry of accomplishment 6 ℓ · D What fills oceans 9 ℓ · D Kindergarten basics 4 ℓ · A Double-twist letter 3 ℓ · D Short movie excerpt 4 ℓ · D Prefix for final 4 ℓ · A Agile as a gymnast 5 ℓ · A Annual May car contest, for short 4 ℓ · D At any time 4 ℓ · D Walk through puddles 5 ℓ · D Lawyer's pro __ work 4 ℓ · D Texas city on the Rio Grande 6 ℓ · D __ Lisa 4 ℓ · D Boy Scout groups 6 ℓ · D Defeat in a dash 6 ℓ · D "Unaccustomed as __..." 3 ℓ · D Pizzeria's baked snack 11 ℓ · A

Frequently asked questions about “Molecule used for vaccines”

What is the answer to “Molecule used for vaccines” in the Newsday Crossword?

The verified answer is RNA — a 3-letter word that appeared as a down entry on Wednesday, July 30, 2025.

How many letters is the answer to “Molecule used for vaccines”?

The answer RNA contains 3 letters.

Was “Molecule used for vaccines” an across or down clue?

This clue ran as a Down entry.

Is this site affiliated with Newsday?

No. This is an independent fan reference site — we are not affiliated with Newsday. The Newsday Crossword is a trademark of its respective owner. We solve and verify each Newsday Crossword puzzle manually before publishing the answer key.

Molecule used for vaccines — Newsday Crossword Clue Answer | Newsday Crossword Answers