The endosymbiotic theory to explain the origin of which structures? a.) mitochondria b.) ribosomes c.) nuclei d.) cell membranes

The correct answer is the option A which is mitochondria.

The endosymbiotic theory states that some organelles in cells are evolved from the ancient microorganism living in the cells and having symbiotic relationship with cell.

According to this theory, mitochondria in cells are considered as ancient aerobic bacteria because mitochondria have its own genome and produce energy.

i dont know it at allnow im just getting points at this pint