title: Free radical reactions modify cellular damage.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D009569:Nitric Oxide; D009584:Nitrogen; D010100:Oxygen; D059828:Plant Cells; D010944:Plants / Q000528:radiation effects*; D011830:Radiation Effects; D013170:Spores / Q000528:radiation effects
chemical_list: D005609:Free Radicals; D009569:Nitric Oxide; D009584:Nitrogen; D010100:Oxygen