Great article. These parts of the cell are still mysterious. Lynn Margulis’s work also suggests that structures like cilia and flagella, that seem like integr

Great article. These parts of the cell are still mysterious. Lynn Margulis’s work also suggests that structures like cilia and flagella, that seem like integral parts of the cell, are actually “captured” symbionts that used to be independent organisms. Lift at that level is pretty weirds. The simple macro view thought in school (a tree with progression from roots to tips) is misleading and barely informative.