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Jigneshbharati Posted 7 years ago
Grammar

Non-protein

A cofactor is a non-protein chemical that assists with a biological chemical reaction.

https://biologydictionary.net/cofactor/
Please explain the use of the prefix "non" vs "un" in "non-protein..." .
Why can't we use un protein?
  

Top answer

We don't normally use the prefix "un" with nouns.

  • We don't normally use the prefix "un" with nouns.
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1 Answers
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We don't normally use the prefix "un" with nouns.

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