Sean is trying to decide if a cell is a plant or animal cell. He studies the cell and is able to determine the function of many of the structures in it. Which notable structure can help him identify the cell? a structure that breaks down waste and other materials in the cell—only animal cells have structures with this function a structure that breaks down sugar molecules to provide energy—only plant cells have structures with this function a structure that converts energy from sunlight into chemical energy—only plant cells have structures with this function a structure that can store water, waste, food, and other materials—only animal cells have structures with this function