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Chrome File Edit View History Bookmarks People Window Help o o connect x Transfer Applicantsl NSU und x M RNA splicing c httpsel/newconnect.mheducation.com/flowiconnect .html Ch 12 Connect 13 Features unique to eukaryotes Part 4 of 5 Why do eukaryotes require a 5' cap and a poly-A tail but prokaryotes don't? 5.26 Multiple Choice Prokaryotes are not as efficient as eukaryotes so they don't have these features. Prokaryotes don't need these features because they don't have introns. Prokaryotes don't need to transport their RNA out of the nucleus, so they dont need these features. 13 14 of 19 Next Prev 29% Fri 1:47 PM Help Save & Exit submit Check my work

Explanation / Answer

The third option is correct that is the prokaryotes don't need to transport their RNA out of the nucleus, so does not require these feature. This is because the prokaryotic chromosome is small and does not require to get transported from the nucleus to ribosomes like eukaryotes. So it lacks 5' cap and poly-A tail. In the case of prokaryotes the transcription and translation both are coupled and occurs simultaneously but this is not the case in eukaryotes. This is required in eukaryotes because the RNA needs to be transported to ribosomes for the translation.

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