Patterns of the Transition of Vacuoles into Protein Bodies in Developing Cotyledon Cells of Soybean MICROSCOPIC OBSERVATION OF VACUOLES ISOLATED AND PURIFIED FROM TOBACCO LEAVES Determination and Isolation of Cell Vacuoles from Blue-green Algae by Penicillin Method Simplification of vacuole structure during plant cell death triggered by culture filtrates of Erwinia carotovora Observations on the Neocytoplasm and Proteid Vacuoles During the Fertilization of Keteleeria evelyniana Determination of Vacuoles from the Blue-green Algae by Squash Method