Diffusion And Osmosis Worksheet. The student sitting next to you just came from gym class and forgot to shower and you can tell. These are pictures of molecules frozen at two different times.
Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane (Semi-permeable membranes are very thin layers of material which allow some things to pass through them but prevent. After sitting in the bathtub for hours your fingers start to. The direction of the water flow is opposite of the gradient for the solute For diffusion or osmosis to occur, there must be a concentration gradient between the inside and outside of the cell.
Summary crossword on all of the above.
Osmosis is a water-specific type of diffusion, where water moves from a high to a low concentration across a selectively-permeable membrane.
Explain why you drew the arrows you did in terms of the properties of diffusion, osmosis, and semi-permeable membranes. The cell membrane plays the dual roles of protecting the living cell by acting as a barrier to the outside world, yet at the same time it must allow the passage of food and waste products into and out of the cell for metabolism to proceed. Semi-permeable membranes are very thin layers of material which allow some things to pass through them.