Microbiology Immunology 7959efa7 N K cells activity is enahnced by - A IL-1 B TNF C IL-2 D TGP-b High-Yield Explanation IL-2 promote growth and differentiation of T & B cells , cytotoxicity of T & NK cells Reff: Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 154 table 15.3