TLS Online TPP Program

#Question id: 15449


Class switch recombination of B-cell that is generated upon recognition of protein antigens and requires the participation of_____

#Unit 4. Cell Communication and Cell Signaling
  1. CD8+ cytotoxic T cells
  2. CD8+ helper T cells
  3. CD4+  cytotoxic T cells
  4. CD4+ helper T cells