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BIOD 331/ BIOD331 Module 2: (Latest 2025/ 2026 Update) Pathophysiology | Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Portage Learning

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BIOD 331/ BIOD331 Module 2: (Latest 2025/ 2026 Update) Pathophysiology | Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Portage Learning QUESTION True/False: Cell proliferation is the process of increasing cell numbers by mitotic cell division. Answer: true QUESTION True/False: Cell differentiation is the process of increasing cell numbers by mitotic cell division. Answer: false QUESTION What are two important properties that stem cells possess? Answer: potency and self-renewal QUESTION Which of the following are most likely to have arisen from an adult stem cell? Answer: epithelial (they are constantly being replaced) QUESTION Define polyp. Are they benign or malignant? Answer: Polyps are abnormal growths found on a mucosal lining, such as the intestine, vagina, mouth or nose. Polyps can be benign or malignant. QUESTION How do cancer cells achieve immortality? Answer: Cancer cells keep high levels of telomerase, an enzyme that prevents telomere shortening. This gives the ability of the chromosomes to continue to replicate forever. QUESTION What is a tumor suppressor gene? Give one example.

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BIODl 331/l BIOD331l Modulel 2:l (Latestl
2025/l 2026l Update)l Pathophysiologyl |l
Questionsl &l Answers|l Gradel A|l 100%l
Correctl (Verifiedl Solutions)-l Portagel
Learning

Q:l True/False:
Celll proliferationl isl thel processl ofl increasingl celll numbersl byl mitoticl celll
division.


Answer:
true




Q:l True/False:
Celll differentiationl isl thel processl ofl increasingl celll numbersl byl mitoticl
celll division.


Answer:
false




Q:l Whatl arel twol importantl propertiesl thatl steml cellsl possess?

Answer:
potencyl andl self-renewal

, Q:l Whichl ofl thel followingl arel mostl likelyl tol havel arisenl froml anl adultl
steml cell?


Answer:
epitheliall (theyl arel constantlyl beingl replaced)




Q:l Definel polyp.l Arel theyl benignl orl malignant?

Answer:
Polypsl arel abnormall growthsl foundl onl al mucosall lining,l suchl asl thel
intestine,l vagina,l mouthl orl nose.l Polypsl canl bel benignl orl malignant.




Q:l Howl dol cancerl cellsl achievel immortality?

Answer:
Cancerl cellsl keepl highl levelsl ofl telomerase,l anl enzymel thatl preventsl
telomerel shortening.l Thisl givesl thel abilityl ofl thel chromosomesl tol continuel
tol replicatel forever.




Q:l Whatl isl al tumorl suppressorl gene?l Givel onel example.

Answer:

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