Microbiology Immunology 80410736 Perforins are produced by - A Cytotoxic T cells B Suppressor T cells C Memory helper T cells D Plasma cells High-Yield Explanation A protein found in the cytoplasmic granules of both T-cytotoxic lymphocytes and natural killer cells Reff: Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 137