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→1. RNA
This clue last appeared in the USA Today Crossword on July 19, 2024. If you need help with other clues, head to our USA Today Crossword July 19, 2024 Hints page. You can also find answers to past USA Today Crosswords.
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Clue & Answer Definitions
- VACCINE (noun)
- immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
- COMPONENT (noun)
- an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
- an abstract part of something
Historical Usage in Crossword Puzzles
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