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Author Question: What is the effect of telomere caps on cancer cells? a. Repeated divisions b. Clonal distinction ... (Read 28 times)

olgavictoria

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on: Jun 25, 2018
What is the effect of telomere caps on cancer cells?
 
  a. Repeated divisions
  b. Clonal distinction
  c. Limited mitosis
  d. Mutation abilities

Question 2

A 52-year-old male with hepatitis C recently developed hepatic cancer. Which of the following markers should be increased?
 
  a. Alpha-fetoprotein (AFP)
  b. Catecholamines
  c. Prostate-specific antigen
  d. Homovanillic acid


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jointhecircus

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A
The presence of telomere caps gives cancer cells the ability to divide over and over again, thus cancer cells have unlimited mitosis. Telomere caps do not give cells clonal distinction. Mutation capability is a characteristic of cancer cells, but this property is not related to telomeres.

Answer to Question 2

ANS: A
Liver and germ cell tumors secrete a protein known as AFP, not catecholamines. Prostate tumors secrete prostate-specific antigen. Homovanillic acid is a catecholamine marker.


olgavictoria

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Reply 2 on: Jun 25, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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