The Termination of Translation
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Questions and Answers

Which factor stimulates termination events in eukaryotes?

  • RF2
  • RF1
  • eRF3 (correct)
  • eRF1

Which factor recognizes all stop codons in eukaryotes?

  • RF1
  • eRF3
  • RF2
  • eRF1 (correct)

Which factor binds to the A site and causes ribosomal subunits to dissociate in prokaryotes?

  • RF2
  • RRF (correct)
  • eRF3
  • eRF1

Which factor releases the completed polypeptide and its tRNA from the P site of the ribosome?

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

Which level of transcriptional control is mostly regulated in eukaryotes?

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

Which factor stimulates termination events ONLY in prokaryotes?

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

Which factor binds to the A site and causes the subunits of ribosomes to dissociate in prokaryotes?

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

Which DNA binding proteins interact with DNA sequences and affect transcription initiation in eukaryotes?

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

Which factor releases the completed polypeptide and its tRNA from the P site of the ribosome?

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

Which stop codons does eRF1 recognize in eukaryotes?

<p>UAA and UGA (D)</p> Signup and view all the answers

Which level of transcriptional control is mostly regulated in eukaryotes?

<p>Transcriptional level (D)</p> Signup and view all the answers

What are the DNA binding proteins called that interact with DNA sequences and affect gene transcription?

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

Which type of chromosome regions have looser DNA-protein structures?

<p>Euchromatin regions (D)</p> Signup and view all the answers

What happens when RNA Pol and TFs can't reach genes present in heterochromatin regions?

<p>They are not transcribed (D)</p> Signup and view all the answers

Where are the promoters and enhancers located in relation to the transcription initiation site?

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

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