The concentration of the cell sap plasmolysis takes place ……………………………

Explanation

**Step-by-Step Solution:**

1. **Understanding Cell Sap**:
- Cell sap is the liquid found in the vacuoles of plant cells. It contains various solutes, including sugars, salts, and other substances.

2. **Defining Plasmolysis**:
- Plasmolysis is the process that occurs when a plant cell loses water due to osmosis when placed in a hypertonic solution (a solution with a higher concentration of solutes compared to the cell sap).

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