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Termination of Translation Quiz
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Termination of Translation Quiz

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Questions and Answers

What are the signals required for termination of translation?

  • UAA, UAG, and UGA (correct)
  • UAA, AUG, and UGA
  • UAA, UAG, and AUG
  • UAG, AUG, and UGA

    • Which release factor(s) sense(s) stop codons in translation termination?

  • RF1, RF2, and RF3 (correct)
  • RF2 and RF3
  • RF1 and RF2
  • RF1 and RF3

    • What happens to the polypeptide during translation termination?

  • It is elongated by the ribosome
  • It is released by the ribosome (correct)
  • It is degraded by the ribosome
  • It is modified by the ribosome

    • Why is there no tRNA for stop codons?

    <p>Stop codons are recognized by release factors instead of tRNA</p> Signup and view all the answers

    What is the role of RF3 in translation termination?

    <p>It promotes the recycling of RF1 or RF2</p> Signup and view all the answers

    How many release factors are required for translation termination in eukaryotes?

    <p>One</p> Signup and view all the answers

    What is Post transfer quality control (PT-QC)?

    <p>A mechanism that ensures the termination codon is recognized and translation is terminated properly</p> Signup and view all the answers

    Which release factor binds with UAA and UGA during translation termination?

    <p>RF2</p> Signup and view all the answers

    What is the role of eEF in translation termination in eukaryotes?

    <p>It recognizes all three stop codons in an energy-dependent manner</p> Signup and view all the answers

    What happens to the ribosomal units during translation termination?

    <p>They bind with release factors and dissociate</p> Signup and view all the answers

    What are the signals required for termination of translation?

    <p>UAA, UAG, and UGA</p> Signup and view all the answers

    Which release factor(s) sense(s) stop codons in translation termination?

    <p>RF1 and RF2</p> Signup and view all the answers

    What happens to the polypeptide during translation termination?

    <p>It is released by the ribosome</p> Signup and view all the answers

    Why is there no tRNA for stop codons?

    <p>Stop codons do not code for amino acids</p> Signup and view all the answers

    What is the role of RF3 in translation termination?

    <p>It promotes the recycling of RF1 or RF2</p> Signup and view all the answers

    How many release factors are required for translation termination in eukaryotes?

    <p>One</p> Signup and view all the answers

    What is Post transfer quality control (PT-QC)?

    <p>A mechanism that ensures the termination codon is recognized and translation is terminated properly</p> Signup and view all the answers

    Which release factor binds with UAA and UGA during translation termination?

    <p>RF2</p> Signup and view all the answers

    What is the role of eEF in translation termination in eukaryotes?

    <p>It recognizes all three stop codons in an energy-dependent manner</p> Signup and view all the answers

    What happens to the ribosomal units during translation termination?

    <p>They bind with release factors and dissociate</p> Signup and view all the answers

    What are the three stop codons in termination of translation?

    <p>UAA, UAG, UGA</p> Signup and view all the answers

    What is the function of release factors in termination of translation?

    <p>To sense stop codons</p> Signup and view all the answers

    Which release factor is responsible for terminating translation at UAA and UAG?

    <p>RF1</p> Signup and view all the answers

    What happens after the release factors bind with the A-site during termination of translation?

    <p>The ribosomal units dissociate</p> Signup and view all the answers

    What is the function of RF3 in termination of translation?

    <p>To dissociate ribosomal units and promote recycling of RF1 or RF2</p> Signup and view all the answers

    How many release factors are required for termination of translation?

    <p>Three</p> Signup and view all the answers

    Is there a tRNA for the stop codons in termination of translation?

    <p>No</p> Signup and view all the answers

    What is the function of eEF in termination of translation in eukaryotes?

    <p>To recognize all three stop codons in an energy-dependent manner</p> Signup and view all the answers

    What is Post transfer quality control (PT-QC)?

    <p>A mechanism to sense stop codons</p> Signup and view all the answers

    Which release factor is responsible for terminating translation at UAA and UGA?

    <p>RF2</p> Signup and view all the answers

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