Must be at least four paragraphs. one paragraph is already completed

Must be at least four paragraphs. One paragraph is already completed and will be attached.

 Within your answer please cite your references.  At the end of the
document, please use AP Style for your references cited.
ATP synthases are found in the prokaryotic plasma membranes and in
mitochondria and chloroplasts. What does this suggest about the evolutionary
relationship of these eukaryotic organelles to prokaryotes? How might the amino
acid sequences of the ATP synthases from the different sources to support or
refute your hypothesis.