| 单词 | endosymbiont theory |
| 释义 | endosymbiont theory [´en·dō`sim·bē´änt ´thē·ǝ·rē] CYTOLOGY A theory that the mitochondria of eukaryotes and the chloroplasts of green plants and flagellates originated as free-living prokaryotes that invaded primitive eukaryotic cells and become established as permanent symbionts in the cytoplasm. |
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