Actual Questions and Answers Latest Updated
2025/2026 (Graded A+)
BIOD 331/ BIOD331
, 1. defects in DNA repair mechanisms
2. defects in growth factor signaling
3. evasion of apoptosis
4. avoidance of cellular senescence
5. development of sustained angiogenesis
6. metastasis and invasion
Risk factors linked to cancer include heredity, hormonal factors, obesity,
immunologic mechanisms, environmental agents such as chemicals, radiation, and
cancer-causing viruses.
observation: skin, mouth, external
palpation: breast, thyroid, rectum and anus, prostate, lymph nodes
Lab tests and procedures: pap smear, colonoscopy, and mammography
Stem cells remain dormant until they are needed. When needed, they can divide,
produce other stem cells, and carry out the functions of the differentiated cell.
they also possess self-renewal and potency properties
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2 of 47
Term
True or False: Stem cells are pluripotent because they can become
many different cells
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, Point mutation, chromosomal translocation and gene amplification
Tissue biopsy procedure
True
Risk factors linked to cancer include heredity, hormonal factors, obesity,
immunologic mechanisms, environmental agents such as chemicals, radiation, and
cancer-causing viruses.
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3 of 47
Term
Which cells are more likely to become cancerous?
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Less differentiated cells Rapidly dividing cells
Large and prominent nuclei High frequency of genetic errors
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, 4 of 47
Term
What are the 3 possible goals of cancer treatment?
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Curative, control, and palliative
Point mutation, chromosomal translocation and gene amplification
Observation: skin, mouth, external
palpation: breast, thyroid, rectum and anus, prostate, lymph nodes
Lab tests and procedures: pap smear, colonoscopy, and mammography
Surgery, radiation, chemotherapy, hormone therapy, and biotherapy
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5 of 47
Term
Describe genetic instability