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Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?

1. Vacuoles and fibres
2. Flagellum and medullary sheath
3. Nucleus and mitochondria
4. Perikaryon and dendrites

Correct answer: Nucleus and mitochondria

Solution

A nerve cell is characterized by the presence of a nucleus and mitochondria, which are essential for its function.

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