Assertion: microtubule | /r/AtLocation | the presence of kinesin-1
Facets:
Source sentences:
text: For microtubules polymerizing in the presence of kinesin-5, 72% of microtubules (34 out of 47) had curved tip structures, while no microtubules grown in the presence of kinesin-1 (0 out of 38) had curved tip structures.