Question

1.) Describe the processes of simple diffusion and facilitated diffusion. What types of molecules are transported across the cell membrane in each case? What essential characteristics does facilitated diffusion have that simple diffusion does not have?

2.) Explain how large particles, liquids, and specific large molecules are transported in and out of cells.

3.) Describe the relationship between equilibrium and metabolism, explaining why it is important that a cell is an open system.