Causes of Cancer: Multistep Process
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Questions and Answers

What kind of mutations contribute to the development of cancer?

  • Mutations in metabolic genes
  • Mutations in immune system genes
  • Mutations in oncogenes and tumor suppressor genes (correct)
  • Mutations in structural genes

    • What is an oncogene?

  • A gene that, in mutated form, promotes cancer (correct)
  • A gene responsible for cell differentiation
  • A gene involved in apoptosis
  • A gene responsible for DNA repair

    • What is the estimated number of independent mutations typically required for a tumor to occur?

  • 4-5
  • 10-12
  • 6-8 (correct)
  • 2-3

    • Why is a single mutation rarely sufficient to cause cancer?

    <p>Due to protective mechanisms evolved over time to safeguard against it</p> Signup and view all the answers

    What happens to mutant cells exhibiting 'selfish' behavior?

    <p>They are treated harshly, often leading to death through apoptosis</p> Signup and view all the answers

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