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 (A)</p> Signup and view all the answers

Is there a tRNA for the stop codons?

<p>No (B)</p> Signup and view all the answers

What is the function of RF3?

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

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

<p>One (A)</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 (A)</p> Signup and view all the answers

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

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

What is the role of RF1 in termination of translation?

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

What is the role of RF2 in termination of translation?

<p>Recognizes UAA and UGA stop codons (C)</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 (D)</p> Signup and view all the answers

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

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

How many release factors are required for sensing stop codons?

<p>Three (B)</p> Signup and view all the answers

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

<p>RF1 (A)</p> Signup and view all the answers

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

<p>RF2 (B)</p> Signup and view all the answers

Is there a tRNA for the stop codons?

<p>No (A)</p> Signup and view all the answers

What is the function of RF3?

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

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

<p>One (B)</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 (A)</p> Signup and view all the answers

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

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

What is the role of RF1 in termination of translation?

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

What is the role of RF2 in termination of translation?

<p>Recognizes UAA and UGA stop codons (B)</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 (C)</p> Signup and view all the answers

What are UAA, UAG and UGA in translation?

<p>Stop codons (C)</p> Signup and view all the answers

How many release factors are required for termination of translation?

<p>Three (A)</p> Signup and view all the answers

Is there a tRNA for the stop codons?

<p>No (A)</p> Signup and view all the answers

Which release factor is for UAA and UAG?

<p>RF1 (B)</p> Signup and view all the answers

Which release factor is for UAA and UGA?

<p>RF2 (C)</p> Signup and view all the answers

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

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

What is the role of RF3 during termination of translation?

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

How many release factors are there in eukaryotes?

<p>One (B)</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 (D)</p> Signup and view all the answers

Can RF1 recognize UGA?

<p>No (C)</p> Signup and view all the answers

Can RF2 recognize UAG?

<p>No (A)</p> Signup and view all the answers

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

<p>GTP (A)</p> Signup and view all the answers

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