[{"Bold_text": "noun", "List Items": ["the movement of an organism in response to a stimulus, as light."]}, {"Bold_text": null, "List Items": ["a combining form with the general sense “movement, activity,” used in the formation of compound words, often with the particular senses “reaction to a stimulus” (photokinesis), “movement without an apparent physical cause” (telekinesis), “activity within a cell” (karyokinesis)."]}]