Understanding Nonsense Mutations in DNA

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Questions and Answers

How does a nonsense mutation affect protein functionality?

  • Increases the protein's lifespan
  • Does not impact the protein's function at all
  • Enhances the functionality of the protein
  • Results in partial or complete loss of functionality (correct)

What is a nonsense mutation?

  • A mutation that enhances the functionality of the protein
  • A mutation that results in a change in the DNA sequence
  • A mutation that causes the cell to stop building protein prematurely (correct)
  • A mutation that alters the protein structure but does not affect its function

What does a shortened protein resulting from a nonsense mutation imply?

  • It may function improperly or not at all (correct)
  • It enhances the protein's stability
  • It helps other proteins perform better
  • It increases the protein's efficiency

How does nonsense mutation affect other proteins?

<p>Blocks other proteins from functioning properly (C)</p> Signup and view all the answers

Which of the following best describes the effect of nonsense mutations on protein folding?

<p>Proper folding still occurs, retaining functionality (D)</p> Signup and view all the answers

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