BIOD331 Module 2 Finals Exam (Qns & Ans) 2026

BIOD331 Module 2 Finals Exam (Qns & Ans) 2026

1. Which of the following statements regarding tumor
   suppressor genes is correct?
    a) They are involved in promoting cell division.
    b) Loss of function mutations in these genes lead to cancer.
    c) They are considered proto-oncogenes.
    d) They always function as oncogenes when mutated.
    Correct ANS: b
    Rationale: Tumor suppressor genes inhibit cell division;
   mutations that lead to their loss can result in uncontrolled cell
   proliferation.
   2. The hallmark of cancer defined by sustained proliferative
   signaling is largely attributed to which mechanism?
    a) Mutations in tumor suppressor genes
    b) Activation of oncogenes
    c) Telomere shortening
    d) Immune evasion
    Correct ANS: b
    Rationale: Oncogenes lead to continuous signaling for cell
   division, a core characteristic of cancer.
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