In muscle cells, myosin molecules continue moving along actin molecules as long as

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. 

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The principle of independent assortment describee how different genes independently separate from one another when reproductive cells develop.