Is DNA/RNA Plural or Singular?



The simplest answer to this question is...both! But, for the most part, when authors use DNA/RNA they should use it as an uncountable noun. Uncountable nouns are always considered singular nouns and thus must always be accompanied by singular verbs.


This example should illustrate what we are talking about:

Correct:

DNA was extracted from liver cells.


Incorrect

DNA were extracted from liver cells

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