Question

Describe three properties of mitochondria and chloroplasts that support the endosymbiotic theory. Be sure to explain your answer

Answer 1

mitochondria according to the theory are said to be of prokaryotic origin. this is supported by a few evidence for eg
mitochondria have their own DNA which is not inside a nucleus like in prokaryotes.
the ribosomes are 70S type.

Answer 2

and they have a circular dna..

Answer 3

have porin channels in the outer membrane like prokaryotes.