Diffusion and Osmosis KEY -

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1. condition achieved when molecules are evenly spread in an area - equilibrium
2. when a solution as a greater concentration of particles - hypertonic
3. turns color in the presence of starch - iodine
4. the engulfing of large particles - phagocytosis
5. prefix that means "outside" - exo
6. the diffusion of water - osmosis
7. active transport will remove ___ ions, while taking in potassium ions - sodium
8. channel ___ can help move things across the membrane - proteins
9. organelle that helps remove excess water; ______ vacuole - contractile
10. the outer boundary of the cell - membrane

 

Across

1. type of transport that requires energy - active
3. when a solution has a lesser concentration of particles hypotonic
6. type of transport that does not require energy passive
8. prefix that means "inside" - endo
10. movement of molecules from high to low concentration - diffusion
13. a molecule composed of two hydrogens and one oxygen - water
14. a solution that has an equal amount of particles - isotonic
15. membranes that let some things through, called selectively ______ permeable
17. the maintaining of an internal balance - homeostasis
19. word that means "cell" - cyto
20. a difference in concentration creates a concentration ______ gradient