Elastic Brownian Ratchets and Tethered filaments Images removed due to copyright considerations See Mogilner, A and G. Oster Force generation by actin polymerization lI: the elastic ratchet and tethered filaments Biophys J.2003Mar;84(3):1591605 Brownian Actin filament tips fluctuate Some filaments are tetheredElastic Brownian Ratchets and Tethered Filaments Images removed due to copyright considerations. See Mogilner, A. and G. Oster. "Force generation by actin polymerization II: the elastic ratchet and tethered filaments��." Biophys J. 2003 Mar;84(3):1591-605. Brownian: Actin filament tips fluctuate Some filaments are tethered 6