Figure 6.

 Temperature dependence of cI108 degradation. Strain JM105 carrying plasmid p108, coding for cI108, was grown to exponential phase at the indicated temperatures [ (▵) 30°C; (▴) 34°C; (○) 37°C; (•) 40°C] in M63 supplemented with glycerol and ampicillin, then pulse labeled and chased at that temperature and analyzed as in the experiments shown in Fig. 1.