<prompt> Perforins are produced bya Cytotoxic T cellsb Suppressor T cellsc Memory helper T cellsd Plasma cellse NK cellsabaead  <response>: Perforins Perforins are hole forming proteins, cause transmembrane pores through which cytotoxic factors enter the cell and destroy it by apoptosis.Perforins are produced by:Cytotoxic T cells Robbins 218N.K. Cells Ananthanarayan 126 