What are the basic differences between translation in prokaryotes and translation in eukaryotes?
Question
What are the basic differences between translation in prokaryotes and translation in eukaryotes?
Solution
Sure, here are the basic differences between translation in prokaryotes and eukaryotes, broken down step by step:
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Location of Translation:
- Prokaryotes: Translation occurs in the cytoplasm. Since prokaryotes lack a nucleus, transcription and translation can occur simultaneously.
- Eukaryotes: Translation occurs in the cytoplasm and can continue in the endoplasmic reticulum. Transcription and translation are separated by the nuclear envelope.
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Ribosome Size:
- Prokaryotes: The ribosomes are smaller, known as 70S ribosomes, composed of a 50S large subunit and a 30S small subunit.
- Eukaryotes: The ribosomes are larger, known as 80S ribosomes, composed of a 60S large subunit and a 40S small subunit.
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mRNA Structure:
- Prokaryotes: mRNA is typically polycistronic, meaning it can encode multiple proteins.
- Eukaryotes: mRNA is usually monocistronic, meaning it encodes a single protein.
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Initiation of Translation:
- Prokaryotes: Initiation begins at the Shine-Dalgarno sequence on the mRNA, which is recognized by the 16S rRNA in the 30S ribosomal subunit.
- Eukaryotes: Initiation begins at the 5' cap of the mRNA, which is recognized by initiation factors that recruit the 40S ribosomal subunit.
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Post-transcriptional Modifications:
- Prokaryotes: mRNA does not undergo significant post-transcriptional modifications.
- Eukaryotes: mRNA undergoes several post-transcriptional modifications, including the addition of a 5' cap, poly-A tail, and splicing to remove introns.
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Sensitivity to Antibiotics:
- Prokaryotes: Certain antibiotics can inhibit translation in prokaryotes by targeting the prokaryotic ribosome.
- Eukaryotes: Eukaryotic ribosomes are not affected by these antibiotics due to differences in ribosome structure and translation process.
These are the basic differences between translation in prokaryotes and eukaryotes. Despite these differences, the overall process of translation - decoding mRNA to synthesize proteins - is conserved across all forms of life.
Similar Questions
Prokaryotes and eukaryotes differ in how they accomplish transcription and translation. Which of the following are unique to prokaryotic cells?SELECT ALL THAT APPLYMessenger RNA must travel out of the nucleus to reach a ribosome for translation.Uses a lot of cellular energy.Transcription occurs in the cytoplasm.RNA must be spliced after it is transcribed before it can be translated.Main enzyme is RNA polymerase.Translation of an RNA sequence can begin before transcription is complete.
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
Diff between eukaryotes and prokaryotes
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In eukaryotic cells, sequences of mRNA removed before translation are called
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