Of these the most important are (a) bacteriolytic or lysogenic action, (b) agglutinative action, and (c) opsonic action.
The first of these, lysogenic or bacteriolytic action, consists in (a) lysogenic action.
lysogenic ly·so·gen·ic (lī'sə-jěn'ĭk)
Causing or having the power to cause lysis.
Of or relating to a bacterium in a state of lysogeny.