Draw a normal-looking cell with arrows pointing both ways. This is "dynamic equilibrium." 4. Real-World Applications Why does this matter? Your notes might ask for examples:

Stores spray vegetables with water (a hypotonic environment) so the plant cells soak it up and stay crunchy. Summary Checklist for Your Answer Key Passive Transport: Checked? Yes. High to Low: Checked? Yes.

None! Osmosis is a type of passive transport , meaning the cell spends zero ATP to make it happen. 2. Understanding the Semi-Permeable Membrane