Assertion: microtubule | /r/CapableOf | polarize polymerization
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Source sentences:
text: Microtubule polarized polymerization and dynamic instability stem from properties of their building blocks, αβ-tubulin dimers, which polymerize head-to-tail to form protofilaments, using the energy of Guanosine 3,5 Triphosphate (GTP) binding and hydrolysis.