Observations on fine structure in pea nucleoli in situ and isolated.
D002466:Cell Nucleolus; D002467:Cell Nucleus; D003593:Cytoplasm; D003851:Deoxyribonucleases / Q000494:pharmacology; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology; D008854:Microscopy, Electron; D059828:Plant Cells; D012260:Ribonucleases / Q000494:pharmacology
D003851:Deoxyribonucleases; D012260:Ribonucleases; D008274:Magnesium