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Question
Biology
Posted 4 months ago

What features of mitochondria are similar to bacteria? Select all that apply.
Cellular machinery for photosynthesis
Independent movement
Circular DNA similar to plasmids
Membrane - hound ribosames
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Answer from Sia
Posted 4 months ago
Answer
Circular DNA similar to plasmids
Membrane-bound ribosomes
Solution
a
Similarity in DNA : Mitochondria have their own DNA, which is circular and resembles bacterial plasmids, indicating a shared evolutionary history
b
Ribosomes : Mitochondria contain ribosomes that are similar in size and structure to bacterial ribosomes, which are different from the ribosomes found in the cytoplasm of eukaryotic cells
Key Concept
Endosymbiotic Theory
Explanation
The similarities between mitochondria and bacteria support the endosymbiotic theory, which suggests that mitochondria originated from free-living bacteria that were engulfed by ancestral eukaryotic cells.

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