Which event is part of RNA processing that helps mRNA function in translation?

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Multiple Choice

Which event is part of RNA processing that helps mRNA function in translation?

Explanation:
RNA processing in eukaryotes includes adding a 5' cap to the mRNA. This cap, a modified guanine added to the 5' end as transcription begins, protects the transcript from degradation and is recognized by initiation factors that recruit the ribosome, making translation more efficient. So, 5' cap addition directly supports mRNA function in translation. Other options describe steps outside RNA processing: promoter binding occurs during transcription initiation, translation is the protein-synthesis step after the mRNA is ready, and DNA replication copies DNA.

RNA processing in eukaryotes includes adding a 5' cap to the mRNA. This cap, a modified guanine added to the 5' end as transcription begins, protects the transcript from degradation and is recognized by initiation factors that recruit the ribosome, making translation more efficient. So, 5' cap addition directly supports mRNA function in translation. Other options describe steps outside RNA processing: promoter binding occurs during transcription initiation, translation is the protein-synthesis step after the mRNA is ready, and DNA replication copies DNA.

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