1. Microscopic cells or particles suspended in water exhibit atype of movement known as
_______________________________________________________________________.
2. The yeast cells in suspension appear to jiggle back and forthbecause they are bombarded
by the ______________ energy of water molecules which are inconstant, rapid, random
motion.
3. The movement of the molecules of a gas, liquid, or solid froma region of higher
concentration of that substance to a region of lesserconcentration is termed
____________________________.
4. What are 2 factors that influence the rate of diffusion?
5. ______________ is the diffusion of a solvent across aselectively permeable membrane.
6. In ______________________, water moves out of a plant cell byosmosis causing the
protoplast to shrivel up.
7. In __________________, water moves into an animal cell byosmosis causing the cell to
swell and burst.
8. The process of ________________ can be used in treatingkidney patients to separate
urea (small molecules) from proteins (large molecules) using aselectively permeable
membrane.
9. Which type of solution (hypotonic or hypertonic) is formed inthe soil environment
around root cells when a lawn is over fertilized? Would the rootcells lose or gain water?
10. Why is it common practice to place lettuce and celery inwater before serving them?