Phosphate head (hydrophilic)
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Can you send the article?
The oldest fossils this is a easy one use your biology textbook and turn to the back of the book under fossils and there is your answer
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it explains how eukaryotes came from ancestral prokaryotes.
it theorizes that some organelles (mitochondria and chloroplasts), evolved from free-living prokaryotes that were overtaken and subsequently became obligate endosymbionants.
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