<prompt> What enhances the multiplication of T cells in culture -PhytohemagglutininChemotactic factorLeukotrienesProstaglandins  <response>: T cells undergo blast transformation multiplication on treatment with mitogens such as : - - Phytohemagglutinin PHA - Concanavalin A Con A - Anti CD-3B Cells undergo a similar transformation with : - - Bacterial endotoxins - Staphylococcus aureus - EB virus - Anti IgRemember :Mature B and T cells before they encounter antigen are called naive cells. 