Termination of Translation Quiz
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Questions and Answers

What are the three stop codons required for the termination of translation?

  • UAA, UGG, UAG
  • UAA, UGG, UGC
  • UAG, UGG, UGA
  • UAA, UAG, UGA (correct)

    • How many release factors are required for sensing stop codons?

  • Three (correct)
  • Two
  • Four
  • One

    • Which release factor is responsible for recognizing UAA and UAG stop codons?

  • eEF
  • RF1 (correct)
  • RF2
  • RF3

    • Which release factor is responsible for recognizing UAA and UGA stop codons?

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

    Is there a tRNA for the stop codons?

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

    What is the function of RF3?

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

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

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

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

    <p>Recognizes all three stop codons</p> Signup and view all the answers

    What happens when release factors bind with the A-site?

    <p>Polypeptide is released</p> Signup and view all the answers

    What is the role of RF1 in termination of translation?

    <p>Recognizes UAA and UAG stop codons</p> Signup and view all the answers

    What is the role of RF2 in termination of translation?

    <p>Recognizes UAA and UGA stop codons</p> Signup and view all the answers

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

    <p>Recognize stop codons and release the polypeptide</p> Signup and view all the answers

    What are the three stop codons required for the termination of translation?

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

    How many release factors are required for sensing stop codons?

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

    Which release factor is responsible for recognizing UAA and UAG stop codons?

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

    Which release factor is responsible for recognizing UAA and UGA stop codons?

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

    Is there a tRNA for the stop codons?

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

    What is the function of RF3?

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

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

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

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

    <p>Recognizes all three stop codons</p> Signup and view all the answers

    What happens when release factors bind with the A-site?

    <p>Polypeptide is released</p> Signup and view all the answers

    What is the role of RF1 in termination of translation?

    <p>Recognizes UAA and UAG stop codons</p> Signup and view all the answers

    What is the role of RF2 in termination of translation?

    <p>Recognizes UAA and UGA stop codons</p> Signup and view all the answers

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

    <p>Recognize stop codons and release the polypeptide</p> Signup and view all the answers

    What are UAA, UAG and UGA in translation?

    <p>Stop codons</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?

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

    Which release factor is for UAA and UAG?

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

    Which release factor is for UAA and UGA?

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

    What do the release factors bind with during termination of translation?

    <p>A-site</p> Signup and view all the answers

    What is the role of RF3 during termination of translation?

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

    How many release factors are there in eukaryotes?

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

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

    <p>Promotes the recycling of tRNA</p> Signup and view all the answers

    Can RF1 recognize UGA?

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

    Can RF2 recognize UAG?

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

    What is the energy source for eEF recognition of stop codons in eukaryotes?

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

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