View Pit Stop page for race #3373 by tesseractbeyond — Ghost race
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Official speed | 103.89 wpm (78.08 seconds elapsed during race) |
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Race Start | October 11, 2020 5:27:00pm UTC |
Race Finish | October 11, 2020 5:28:18pm UTC |
Outcome | Win (1 of 5) |
Accuracy | 98.0% |
Points | 173.15 |
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. |