Question

multiple choice question
which are characteristics of mrna codons that do not match up with a corresponding trna?
o their function is to signal the end of translation.
o they are nonfunctional and are never found used in mrna molecules.
o they will initiate translation.
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Explanation:

In the process of translation, stop - codons in mRNA do not have corresponding tRNAs. Their role is to signal the end of translation. Non - functional codons not used in mRNA are incorrect as all codons in mRNA have a purpose. Codons that initiate translation are start - codons and have corresponding tRNAs.

Answer:

Their function is to signal the end of translation.