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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for RNA component 4 letters:

EXON: RNA component
RIBOSE: RNA component
CODONS: Messenger RNA components
URACIL: RNA component
URACIL: Essential RNA component
RIBOSE: Sugar that's a component of RNA
URACIL: Fundamental component of RNA
ADENINE: Component of DNA or RNA