Answer :
Final answer:
The endomembrane system in eukaryotic cells was formed through endosymbiosis.
Explanation:
True
The endomembrane system in eukaryotic cells, including the nucleus, endoplasmic reticulum, and Golgi apparatus, was formed through endosymbiosis. Endosymbiosis is a process where one organism lives inside another and both benefit. In the case of Gram-negative bacteria, it is theorized to have resulted from the fusion of Archaea and Gram-positive bacteria.
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