Before revision:  Comparison of ion transport in small yeast cell and several animal cell types is provided and importance of cell volume to surface ratio is stressed. Role of cell wall and lipid rafts is discussed in aspect of required increase in spatial and temporary resolution of measurements.
After revision:  Comparison of ion transport in small yeast cell and several animal cell types is provided and importance of cell volume to surface ratio is emphasized. The role of cell wall and lipid rafts is discussed in aspect of required increase in spatial and temporary resolution of measurements.