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| Description: (a) Isolated microtubule doublets can “walk” past one another by making and breaking dynein arm contacts, if ATP is present. (b) The back-and-forth bending of a cilium or flagellum is produced by synchronized short “walks” by microtubules on opposite sides of the appendage. Long walks are prevented by the cross-connections between microtubules. Picture Stats: Views: 248 Filesize: 132.74kB Height: 475 Width: 810 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34166 |