Which of the structures are found
(a) in animal cells,
(b) in plant cells only, and
(c) both animal and plant cells.

Explanation

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

### Step-by-Step Solution:

**(a) Structures found in animal cells:**
1. **Centrosome**: This structure is involved in cell division and helps in organizing microtubules.

**(b) Structures found in plant cells only:**
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