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Home Q & A Board Biology-Related Homework Help Cell Biology
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artsyyy123 artsyyy123
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6 years ago
Giant cells are
 
  A. a fusion of B cells.
  B. a fusion of T cells.
  C. used to contain bacterial infections.
  D. activated T helper cells.
  E. a fusion of T cells AND used to contain bacterial infections.


Perforin is produced by
 
  A. B cells.
  B. macrophages.
  C. NK cells.
  D. T helper cells.
  E. macrophages AND NK cells.


Apoptosis
 
  A. is a form of cell suicide.
  B. is induced in target cells by effector T cytotoxic cells.
  C. results in T cell death.
  D. refers to the transformation of B cells into plasma cells.
  E. is a form of cell suicide AND is induced in target cells by effector T cytotoxic cells.


The surface receptors on B and T cells both
 
  A. play the same role in each type of cell.
  B. bind to free antigen.
  C. have two binding sites for antigen.
  D. have variable and constant regions.
  E. play the same role in each type of cell AND have two binding sites for antigen.


Which is involved in reacting to virus-infected cells?
 
  A.
  Cell-mediated immunity
 
  B. T cytotoxic cells
  C. B cells
  D. MHC I
  E.
  Cell-mediated immunity, T cytotoxic cells, AND MHC I
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TurtleTurtle
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artsyyy123 Author
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6 years ago
I'm seriously surprised that you found the answers... What's your secret?!
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