title: Structure-bound enzymes in the yolk of the unfertilized hen's egg.
mesh_terms: D000135:Acid Phosphatase / Q000032:analysis*; D000818:Animals; D002645:Chickens; D004527:Egg Proteins / Q000032:analysis; D004530:Egg Yolk / Q000032:analysis*; D004798:Enzymes / Q000032:analysis; D005260:Female; D005306:Fertilization; D005615:Freezing; D010750:Phosphoproteins / Q000032:analysis; D012260:Ribonucleases / Q000032:analysis*
chemical_list: D004527:Egg Proteins; D004798:Enzymes; D010750:Phosphoproteins; D012260:Ribonucleases; D000135:Acid Phosphatase