Oncogenesis and Tumor Cell Biology · NCLEX Exam

Which cellular mechanism primarily prevents the replication of damaged DNA?

  1. Proto-oncogenes
  2. Tumor suppressor genes
  3. Growth factor receptors
  4. Angiogenesis inhibitors
Show answer and explanation

Correct answer: Tumor suppressor genes

Tumor suppressor genes, like p53, detect DNA damage and halt the cell cycle for repair or trigger apoptosis, preventing tumor formation.

Difficulty: Medium Question 2 of 20

Practice all 20 Oncogenesis and Tumor Cell Biology questions

Keep practicing

More Oncogenesis and Tumor Cell Biology questions