View Pit Stop page for race #51 by ixichaosimi — Ghost race
View profile for Alex (ixichaosimi)
Official speed | 75.24 wpm (107.82 seconds elapsed during race) |
---|---|
Race Start | August 5, 2020 2:38:11am UTC |
Race Finish | August 5, 2020 2:39:59am UTC |
Outcome | No win (2 of 5) |
Accuracy | 96.0% |
Points | 125.40 |
Text | #3550368 (Length: 676 characters) Mitochondria and chloroplasts display similarities with bacteria that led to the endosymbiont theory. This theory states that an early ancestor of eukaryotic cells engulfed an oxygen-using non-photosynthetic prokaryotic cell. Eventually, the engulfed cell formed a relationship with the host cell in which it was enclosed, becoming an endosymbiont, a cell living within another cell. Indeed, over the course of evolution, the host cell and its endosymbiont merged into a single organism, a eukaryotic cell with a mitochondrion. At least one of these cells may have then taken up a photosynthetic prokaryote, becoming the ancestor of eukaryotic cells that contain chloroplasts. |