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Author Question: Stem cells can treat a variety of different disorders because of their ability to: a. Self-renew ... (Read 29 times)

penza

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on: Jun 25, 2018
Stem cells can treat a variety of different disorders because of their ability to:
 
  a. Self-renew
  b. Give rise to other cells
  c. Regenerate quickly
  d. Have immunity against toxic agents

Question 2

Explain how environmental factors contribute to the pathogenesis of lymphoid neoplasms.
 
  What will be an ideal response?


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ju

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

Correct Answer: B

Answer to Question 2

Answer: The Epstein-Barr virus infects B lymphocytes, where it remains latent under the immune system's control. The EBV-infected cells can proliferate if the host becomes immunocompromised and/or the B lymphocytes acquire additional genetic abnormalities.
Helicobacter pylori leads to antigen-driven T-lymphocyte stimulation and subsequent B-lymphocyte activation. The B lymphocytes initially are polyclonal and depend entirely on T-cell stimulation. With time, the B-cell population can proliferate autonomously.


penza

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Reply #2 on: Jun 25, 2018
Correct answers!


ju

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Reply #3 on: Jun 25, 2018
Great! Please up vote :D


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