The __________ theory hypothesizes that __________ were originally free-living prokaryotes.
A. ectosymbiotic . . . mitochondria
B. ectosymbiotic . . . lysosomes
C. endosymbiotic . . . lysosomes
D. endosymbiotic . . . mitochondria
Answer:D
The __________ theory hypothesizes that __________ were originally free-living prokaryotes.
A. ectosymbiotic . . . mitochondria B. ectosymbiotic . . . lysosomes C. endosymbiotic . . . lysosomes D. endosymbiotic . . . mitochondria