. According to Oparin, eukaryotic cell evolved by-
A.Evolution from prokaryotic cell
B.Separate line of evolution
C.By symbiotic association of prokaryotic cell
D.None of these
A. The earliest cell fossils appear to be similar in structure to
that of bacteria. They were prokaryotes, cells that lacked nucleus and other membranous organelles. The eukaryotic cell is thought to have evolved from the prokaryotic ones.