In fact, we demonstrated that interactions between monomer units can be controlled via activity. Once a transition to a collapsed state is observed for a single chain, then for a system of overlapping coils, block copolymers and other interacting polymer systems -all of them will also be subject to conformational and morphological changes under the influence of activity. We believe that such control by activity can play an important role when considering various biological systems, the understanding and description of which is not yet possible using the methods of classical equilibrium thermodynamics.