Microtubules

ID #1334

Could you explain the physical purpose for the microtubule being hollow? Does it play a role in the cell? and if so, what?


Probably gives a microtubule more overall stability than a single filament like actin. Also, a lot of material is moved along a microtubule, and "traffic jams" do occur. Having a wide, round tube to move along means your motor proteins have somewhere to go to "get out of the way" of oncoming "traffic" and not have to let go.

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