In this assignment, you will complete the worksheet below and upload your answers for a grade. You can answer directly on the worksheet or on a separate paper with items properly numbered. Remember to
Chapter 7 Worksheet
Diffusion
1. Use arrows to indicate the direction of diffusion in each case below. (Note:0 is a solute)
a) b)
2. Complete the following table about diffusion.
| Do the solutes move inside or outside the cell? | Intracellular fluid (inside the cell) | Extracellular fluid (outside of cell) |
| 5% Salt | 10% Salt | |
| 10% Salt | 10% Salt | |
| 3% glucose | 1% glucose | |
| 2% protein | 1% protein | |
| 13% water | 25% water |
3. Diffusion always causes particles to move from __________ concentration regions to _______ concentration regions.
4. For diffusion, is energy required? __________
Osmosis
5. Define the following words:
a) tonicity:
b) osmosis:
c) isotonic solution:
d) hypertonic solution:
e) hypotonic solution:
6. Complete the following table about tonicity.
| Does water move inside or outside the cell? | Intracellular fluid (inside the cell) | Extracellular fluid (outside of cell) | What type of solution is present? Iso/hyper/hypotonic |
| 5% Salt | 10% Salt | ||
| 10% Salt | 10% Salt | ||
| 3% glucose | 1% glucose | ||
| 2% protein | 1% protein | ||
| 13% water | 25% water |
