Meaning & use
RNA
Ribonucleic acid, a molecule in cells that helps carry genetic instructions and build proteins.
See it in a sentence
Messenger RNA carries genetic instructions from DNA to the cell's protein-making machinery.
Some vaccines work by using RNA to teach cells how to fight a virus.
A note on using this word
RNA is chemically similar to DNA but is usually single-stranded and uses uracil instead of thymine as one of its bases.
Words with a similar meaning
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