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Question
Which one of the following pairs of structures distinguishes a nerve cell from other cell types?
Which one of the following pairs of structures distinguishes a nerve cell from other cell types?
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Solution
The correct option is B Cyton and dendrites
A typical neuron consists of a cyton (cell body containing a nucleus), dendrites, and an axon. The axon in some neurons has a covering of the myelin layer or medullary sheath that insulates the axons. Nodes of Ranvier are small gaps found in such myelinated axons. They help in the fast transmission of nerve impulses.The vacuole is a membrane-bound organelle present in all plant and fungal cells and some protist, animal, and bacterial cells. The flagellum is an appendage, that protrudes from the cell body of certain prokaryotic and some eukaryotic cells. The nucleus is a membrane-bound organelle present in almost all eukaryotic cells including neurons. So, the correct answer is option D.
A typical neuron consists of a cyton (cell body containing a nucleus), dendrites, and an axon. The axon in some neurons has a covering of the myelin layer or medullary sheath that insulates the axons. Nodes of Ranvier are small gaps found in such myelinated axons. They help in the fast transmission of nerve impulses.
The vacuole is a membrane-bound organelle present in all plant and fungal cells and some protist, animal, and bacterial cells. The flagellum is an appendage, that protrudes from the cell body of certain prokaryotic and some eukaryotic cells. The nucleus is a membrane-bound organelle present in almost all eukaryotic cells including neurons. So, the correct answer is option D.
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