Which of these is NOT part of insect immunity?
(A) antibacterial digestive enzymes
(B) activation of natural killer cells
(C) phagocytosis by hemocytes
(D) production of antimicrobial peptides
(A) antibacterial digestive enzymes
(B) activation of natural killer cells
(C) phagocytosis by hemocytes
(D) production of antimicrobial peptides