Microtubules
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9 Terms
Q: What protein forms microtubules?
A: Tubulin.
Q: What are microtubules made from?
A: Alpha- and beta-tubulin dimers.
Q: Functions of microtubules?
A: Vesicle transport, chromosome movement, cilia, flagella, organelle positioning.
Q: Which cytoskeletal element forms the mitotic spindle?
A: Microtubules.
Q: Which cytoskeletal element separates chromosomes?
A: Microtubules.
Q: Which motor proteins move along microtubules?
A: Kinesin, Dynein.
Q: Which motor protein usually moves toward the plus end?
A: Kinesin.
Q: Which motor protein usually moves toward the minus end?
A: Dynein.
Q: Which cytoskeletal component determines organelle positioning?
A: Microtubules.