three successive phases may be defined at the time of activation : first a membrane stage consisting of changes in the lipids ( metabolism of arachidonic acid ) and the cytoskeleton of the cell , a second stage corresponding to the start of the `` '' blastic transformation '' '' with the production of lymphokines with an increase in protein and rna content ( phase g1 ) , then a third stage of dna synthesis ( phase s-g 2 ) preceding cell division ;
C0007634
the
C0010853
cytoskeleton