title: Nucleoside diphosphatase in the onion root tip. I. Effects of fixation and lead on enzyme activity.
mesh_terms: D003840:Deoxycholic Acid; D005069:Evaluation Studies as Topic; D005557:Formaldehyde; D005976:Glutaral; D006651:Histocytochemistry; D006652:Histological Techniques; D007854:Lead / Q000494:pharmacology*; D008722:Methods; D009708:Nucleotidases / Q000032:analysis*; D010944:Plants / Q000187:drug effects / Q000201:enzymology*; D013056:Spectrophotometry, Ultraviolet; D013194:Staining and Labeling; D013997:Time Factors
chemical_list: D003840:Deoxycholic Acid; D005557:Formaldehyde; D007854:Lead; D009708:Nucleotidases; D005976:Glutaral