Osmosis is the movement of water molecules from a high to low concentration. PubMed. In other. To monitor comprehension of these processes among Describe the processes of diffusion and osmosis. tube water concentrated sugar solution levellevelpartially permeable membrane Which molecules will move across the partially permeable membrane and which changes in levels will occur? Osmosis and Diffusion Conceptual Assessment. Determine the relationship between Osmosis is the diffusion of water molecu