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Biologists think early eukaryotic cells might have had a nucleus that first

formed
O A. due to the folding of a flexible outer cell membrane
B. due to the production of an internal cytoskeleton
C. when the cells engulfed smaller prokaryotic cells
D. when a mutation made a membrane form around DNA

User Yennefer
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1 Answer

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due to the folding of a flexible outer cell membrane

User Gandalf The White
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