本题目来源于试卷: Interaction & Interdependence C.5 Neural Signaling，类别为 IB生物学
[单选题]
What is not a function of the myelin sheath?
A. To increase the rate at which impulses propagate themselves
B. To insulate the axon
C. To prevent depolarisation
D. To transfer neurotransmitters
参考答案: D
本题详细解析:
Explanation: Neurotransmitters are not transferred by the myelin sheath. Choices A, B and C are incorrect, as they are all functions of the myelin sheath.
| 
