Biology · Neural Control and Coordination
A nerve fibre shows rapid impulse conduction and has periodic gaps along its length that lack insulating material but have a high ion channel density. Which of the following conclusions is most appropriate?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The fibre conducts impulses only towards the cell body.
- 2The fibre contains Nissl’s granules at the gaps.
- 3The fibre is myelinated and the gaps are nodes of Ranvier.✓
- 4The fibre is non-myelinated and found in autonomic nerves.
Correct answer
The fibre is myelinated and the gaps are nodes of Ranvier.
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