The Endosymbiont Theory Proposes That

The endosymbiont theory proposes that

A) species of engulfed cells, by another species, survived many generations, and then specialized as mitochondria or chloroplasts.
B) cell membranes of ancestral cells folded into complex networks, eventually regulated by the DNA to form cell organelles.
C) liposome lipid bubbles structures responded to progenote molecules, forming functional cell membranes to contain them.
D) None of the answer choices are correct.
E) progenotes collectively organized into metabolically sustaining and reproducing structures resembling modern cells.