# Life Sciences Paper 1, November 2024, question 2.5.5

> Some nerve fibres are wrapped in a fatty insulating layer called the myelin... Marked mark by mark. Q2.5.5, Life Sciences Paper 1 November 2024, 1 mark.

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Last updated: 2026-11-12

Subject: Life Sciences. Source: Based on Nov 2024 · Paper 1 · Q2.5.5. Marks: 1. Not yet checked by a teacher.

## Question 2.5.5 (1 mark)

Some nerve fibres are wrapped in a fatty insulating layer called the myelin sheath. Name the disorder of the nervous system in which this layer gradually breaks down and the person loses control of movement and sensation.

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[Answer this question](https://sharpkop.co.za/life-sciences/2024-nov-p1/q2-5-5/) and see it marked mark by mark, with the reason for every lost mark.

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