Which of the following are found exclusively in plant cells, exclusively in animal cells, and in both?
nucleus, centrosomes, Golgi bodies, leucoplasts, cell coat

Explanation

To answer the question regarding which structures are found exclusively in plant cells, exclusively in animal cells, and in both, we can categorize them as follows:

### Step-by-Step Solution

1. **Identify Structures Exclusive to Plant Cells**:
- The only structure from the list that is found exclusively in plant cells is **Leucoplast**. Leucoplasts are a type of plastid that are colorless and primarily involved in the storage of starch and oils.

2. **Identify Structures Exclusive to Animal Cells**:
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