title: Question of the ribosyl moiety in the promotion of callus growth by exogenously added cytokinins.
mesh_terms: D000225:Adenine / Q000138:chemical synthesis / Q000494:pharmacology; D001681:Biological Assay; D002455:Cell Division / Q000187:drug effects*; D002850:Chromatography, Gel; D006863:Hydrogen-Ion Concentration; D007705:Kinins / Q000138:chemical synthesis / Q000494:pharmacology*; D013058:Mass Spectrometry; D009994:Osmolar Concentration; D010947:Plants, Toxic; D011720:Pyrazoles / Q000138:chemical synthesis; D011743:Pyrimidines / Q000138:chemical synthesis; D012266:Ribose / Q000138:chemical synthesis / Q000494:pharmacology*; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship; D014026:Nicotiana / Q000187:drug effects / Q000254:growth & development; D014466:Ultraviolet Rays
chemical_list: D007705:Kinins; D011720:Pyrazoles; D011743:Pyrimidines; D012266:Ribose; D000225:Adenine