Which cell organelle controls most of the activities of the cell?

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks which cell organelle controls most of the activities of the cell.

2. **Understand the Role of Cell Organelles**: Among the various cell organelles, each has specific functions. However, one organelle is known for its central role in controlling cellular activities.

3. **Identify the Key Organelle**: The nucleus is the organelle that controls most of the activities of the cell. It is often referred to as the "controlling center" of the cell.

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