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Home Q & A Board Biology-Related Homework Help Medicine Immunology
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mazdacx5 mazdacx5
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6 years ago
For each of the descriptions of immune mechanisms in questions 1-4, select the immune mechanism (A-D) that correctly matches it.
 
  A. Type I interferons (IFN-, IFN-)
  B. CD8+ cytolytic T lymphocyte
  C. Antibody
  D. Natural killer cell
 
  Adaptive immunity mechanism for eradicating established viral infection
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6 years ago
ANS: B. Once viruses have infected cells, they produce cytoplasmic proteins that are processed and presented by the class I MHC pathway. CD8+ cytotoxic T lymphocytes recognize viral peptide-class I MHC complexes on the surface of infected cells and kill these cells. The killing mechanism leads to apoptosis, which ensures degradation of viral DNA as well as host cell DNA.
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