TLS Online TPP Program

#Question id: 1836


What is the feature that best uniquely describes NK cell activity against a virus-infected cell?

#Unit 4. Cell Communication and Cell Signaling
  1. It is cell contact dependent

  2. Peptides derived from processed viral antigens are recognized

  3. Apoptosis is induced in the target cell by the perforin–granzyme pathway

  4. An absence of MHC class I on the target cell is detected