the infectious particle for phage phix174 consists of coat protein with a single strand of dna ( strand) packaged on the inside. why is there a delay of between synthesis of the RF (replicative form) and the start of rolling circle replication g

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process. 

The answer is the pituitary gland. hope this .