Dimers of the molecular motor kinesin can ‘walk’ along microtubules. A flexible neck connects the head of one kinesin of the dimer to its partner. When one head is bound to a microtubule, and ...

Cultured mammalian cells have been a popular and useful system for studying mitosis 1, 2, 3. In particular, the direct observations of fluorescently tagged cytoskeletal and chromosomal proteins in ...