Null cells constitute what percentage of peripheral lymphocytes?
Correct Answer: 10-May
Description: Ans. (c) 5-10(Ref: Robbins 9th/pg 192; 8th/pg 188)Natural Killer Cells or Null cells constitute 5% to 10% of peripheral lymphocytes QAs NK cells neither have B nor T-cell markers, hence also called Null CellsNK cells destroy irreversibly stressed, virus-infected cells & tumor cells without prior exposure
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Pathology
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