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With respect to the process of transcription, what are some of the major differences in eukaryotes vs prokaryotes?  Please make a numbered or bulleted list, rather than writing your answer in paragraph form.View keyboard shortcutsEditViewInsertFormatToolsTable12ptParagraph

Question

With respect to the process of transcription, what are some of the major differences in eukaryotes vs prokaryotes?  Please make a numbered or bulleted list, rather than writing your answer in paragraph form.View keyboard shortcutsEditViewInsertFormatToolsTable12ptParagraph

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Solution

  1. Location of Transcription: In eukaryotes, transcription occurs in the nucleus. In prokaryotes, which lack a nucleus, transcription occurs in the cytoplasm.

  2. RNA Polymerase: Eukaryotes have three types of RNA polymerase (RNA polymerase I, II, and III) each transcribing a different type of RNA. Prokaryotes have only one type of RNA polymerase that synthesizes all types of RNA.

  3. Promoters: The promoter sequences are different in eukaryotes and prokaryotes. Eukaryotes use more complex promoter sequences, while prokaryotes use simpler ones like the -10 and -35 sequences.

  4. RNA Processing: In eukaryotes, the primary transcript (pre-mRNA) undergoes processing (including 5' capping, 3' polyadenylation, and splicing) to become mature mRNA. In prokaryotes, the mRNA is often ready for translation immediately after transcription and does not require extensive processing.

  5. Introns and Exons: Eukaryotic genes often contain introns (non-coding sequences) and exons (coding sequences), and the introns are removed during RNA processing. Prokaryotic genes typically do not have introns.

  6. Transcription and Translation: In eukaryotes, transcription and translation are separate processes, with transcription occurring in the nucleus and translation in the cytoplasm. In prokaryotes, transcription and translation can occur simultaneously in the cytoplasm.

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