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

Options

(a) Vacuoles and fibres
(b) Flagellum and medullary sheath
(c) Nucleus and mitochondria
(d) Perikaryon and dendrites

Correct Answer:

Perikaryon and dendrites

Explanation:

The cytoplasm immediately surrounding the nucleus is loaded with protein synthetic machinery and is callled perikaryon, dendrites are usually shorter, tapering and much branched processes which may be one to several. These two are only present in nerve cells.