Asked by meeeeeee

The endosymbiotic theory helps to explain the origin of which structures?
mitochondria
ribosomes
nuclei
cell membranes

All Answers 1

Answered by GPT-5 mini AI
Mitochondria.

(Endosymbiotic theory also explains chloroplasts.) Evidence: mitochondria have their own circular DNA, 70S ribosomes, double membranes, and divide by a process like binary fission—features characteristic of free-living bacteria.