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3 Cards in this Set
- Front
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Define the Endosymbiotic Theory |
Suggests that eukaryotes are formed from the union of small aerobic prokaryotes w/ larger anaerobic prokaryotes. |
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Evidence supporting the Endosymbiotic Theory |
1. Mitochondria & chloroplasts have their own DNA, similar to bacterial DNA 2. Chloroplasts & mitochondria contain 70s ribosomes & so do bacteria cells suggesting that they both derive from bacteria 3. DNA in mitochondria divide like prokaryotic binary fission |
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How are chloroplasts & mitochondria formed? |
According to the theory, small aerobic prokaryotes are engulfed first, leading to the development of mitochondria. Eukaryotic cells containing mitochondria then engulf photosynthetic bacteria, which evolve into chloroplasts. |
