Question 22
According to the Endosymbiotic Theory, cells were______________ before being engulfed by the eukaryotic cell.
a
free-living prokaryotes
b
free-living eukaryotes
c
viruses
d
organelles
According to the Endosymbiotic Theory, cells were______________ before being engulfed by the eukaryotic cell.
a
free-living prokaryotes
b
free-living eukaryotes
c
viruses
d
organelles