<span>an atom with a single electron in its outermost shell</span>
The answer to your question is <span>chemical energy
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Answer:
The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.
Request: Please mark me as the brainliest.
I think it’s either A or B
