title: Difference spectrum distortion in non-homogeneous pigment associations: abnormal phytochrome spectra in vivo.
mesh_terms: D002734:Chlorophyll / Q000378:metabolism*; D003624:Darkness; D005069:Evaluation Studies as Topic; D008027:Light; D008433:Mathematics; D008956:Models, Chemical; D010777:Photochemistry; D010860:Pigments, Biological / Q000378:metabolism; D018521:Plant Physiological Phenomena; D010940:Plant Proteins / Q000378:metabolism*; D010944:Plants / Q000378:metabolism / Q000528:radiation effects; D011830:Radiation Effects; D013053:Spectrophotometry; D013997:Time Factors
chemical_list: D010860:Pigments, Biological; D010940:Plant Proteins; D002734:Chlorophyll