Select all that applyWhat types of cells are attacked by natural killer cells?Multiple select question.Cells that are infected by fungiTumor cellsCells that are infected by virusesGram-positive bacterial cellsGram-negative bacterial cells
Question
Select all that applyWhat types of cells are attacked by natural killer cells?Multiple select question.Cells that are infected by fungiTumor cellsCells that are infected by virusesGram-positive bacterial cellsGram-negative bacterial cells
Solution
Natural killer cells, a type of white blood cell, are part of the innate immune system. They play a major role in the host-rejection of both tumors and virally infected cells. So, the correct answers are:
- Tumor cells
- Cells that are infected by viruses
Natural killer cells do not typically attack cells infected by fungi, or Gram-positive and Gram-negative bacterial cells. These types of infections are usually handled by other components of the immune system.
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