realizes has_specified_output achieves_planned_objective has role has_role has role located_in (type level) located in located in located_in material entity material entity adding a material entity into a target BP Class was renamed from 'administering substance', as this is commonly used only for additions into organisms. Injecting a drug into a mouse. Adding IL-2 to a cell culture. Adding NaCl into water. adding a material entity into a target branch derived is a process with the objective to place a material entity bearing the 'material to be added role' into a material bearing the 'target of material addition role'. material to be added role adding material objective target of material addition role material combination ready for release