Before revision:  Finally, we apply our theory to a  model of Escherichia coli chemotaxis and show that, from this abstract point of view, adaptation or homeostasis in this model is caused by a mechanism that we called input counterweight.
After revision:  Finally, we apply our theory to a specific model of Escherichia coli chemotaxis and show that, from this abstract point of view, adaptation or homeostasis in this model is caused by a mechanism that we called input counterweight.