Study Questions 29-31

Study Questions 29-31 - 6 How many different tRNAs are...

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Study Questions 29-31 1. What is trans-splicing? Give an example. 2. Explain the connection between pre m-RNA splicing and transport of mRNA from the nucleus. 3. How would you explain the difference between processing control and post-transcriptional control of gene expression? 1. List and briefly explain/define different mechanisms of post-transcriptional control of gene expression (think about examples)? 2. Explain the role of mRNA stability (or editing, or iRNA, or translational control switch or mRNA localization – five different questions possible) in control of gene expression. 3. What does S in 16S stand for? What is the numerical value of this constant? 4. What are the roles of three major RNAs in protein synthesis? 5. What is the name of the region of tRNA molecule which attaches to an amino acid?
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Unformatted text preview: 6. How many different tRNAs are there in an eukaryotic cell? How many different aminoacyl tRNA synthetasis are there in an eukaryotic cell? 7. What are the roles of tRNA in translation? 8. What is the wobble position for an anticodon? For a codon? 9. Explain what does it mean when we say that the code is degenerate? Codons are synonymous? 10. What is the role of Shine-Dalgarno sequence? 11. What is the role of Kozak sequence? 12. What are the major differences in initiation of translation between eukaryotes and prokaryotes (remember: first AA is different and the way mRNA and tRNA bind to ribosomes/finds start codon is different)? 13. Describe in detail events during initiation of the Eukaryotic (or Prokaryotic) translation (two possible questions)....
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