Lecture title - Microtubules

4 important questions on Lecture title - Microtubules

Tubulin protein chains make up what structure in a neuron?, what does tubulin do?

Microtubules
Helps move substances to different ares of the same cell. (i.e neurotransmitters created in the cell body to the end of the axon

What do tau proteins do to the microtubulal that is it a part of?

Stabilise the microtubles structure

What does it mean for an axon to be myelinated? What is the benefit

It means that it has a myelin sheath, a whitish, fatty (protein-lipoid), segmented cover that protects and electrically insulates fibers. When an axon is myleinated it increases the transmission speed of nerve impulses
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What is the disadvantage of not having an axon myleinated?


nonmyeli­nated fibers conduct impulses more slowly.

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