What theory predicts that the mitochondrion evolved from a prokaryotic cell?

Symbiogenesis, or endosymbiotic theory

Explanation:

is an evolutionary theory of the origin of eukaryotic cells from prokaryotic organisms, first articulated in 1905 and 1910 by the Russian botanist Konstantin Mereschkowski, and advanced and substantiated with microbiological evidence by Lynn Margulis in 1967.

answer; motor (efferent)neurons;