View Pit Stop page for race #238 by seanmeister — Ghost race
View profile for Sean (seanmeister)
Official speed | 69.42 wpm (116.85 seconds elapsed during race) |
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Race Start | April 21, 2018 8:06:31pm UTC |
Race Finish | April 21, 2018 8:08:28pm UTC |
Outcome | No win (2 of 5) |
Opponents |
1. bambusnippel (69.69 wpm) 3. justin1013 (65.17 wpm) |
Accuracy | 95.0% |
Points | 115.69 |
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. |