Immunology and Oncology Pathways Quiz
8 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of chromosomal rearrangement produces a hybrid gene encoding a fusion protein with constitutive activity?

  • Gain-of-function mutation (correct)
  • Amplification of a DNA segment
  • Production of oncoproteins
  • Alteration in the ras gene
  • Which mechanism involves the inappropriate overproduction of a growth-regulatory gene due to changes in its promoter?

  • Alteration in the ras gene
  • Generation of oncoproteins
  • Chromosomal rearrangement producing a hybrid gene
  • Amplification of a DNA segment (correct)
  • What is the main function of the Ras protein in regulating cell growth and differentiation?

  • Promoting cell death
  • Binding and breaking up GTP molecules (correct)
  • Activating tumor suppressor genes
  • Inhibiting cell division
  • Which genetic alteration in the Ras gene reduces its GTPase activity and affects its ability to break up GTP molecules?

    <p>Gain-of-function mutation</p> Signup and view all the answers

    In CML, which genetic abnormality leads to the formation of the Philadelphia chromosome?

    <p>Chromosomal rearrangement producing a hybrid gene</p> Signup and view all the answers

    What is Imatinib mesylate commonly used for in the treatment of CML?

    <p>Targeting abnormal fusion proteins</p> Signup and view all the answers

    Which of the following leads to the production of oncoproteins that are different from their normal counterparts?

    <p>Chromosomal rearrangement producing a hybrid gene</p> Signup and view all the answers

    'Alterations in the ras gene reduce its GTPase activity' is an example of what type of genetic change?

    <p><strong>Gain-of-function mutation</strong></p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser