........egg is the largest eukaryotic cell.

Explanation

**Step-by-Step Solution:**

1. **Understanding Eukaryotic Cells**:
- Eukaryotic cells are characterized by having a well-defined nucleus and membrane-bound organelles. This distinguishes them from prokaryotic cells, which lack these features.

2. **Identifying the Largest Eukaryotic Cell**:
- Among all eukaryotic cells, we need to identify which one is the largest.

...