Question

Which two organelles were once free living bacteria that were engulfed by larger cells?

Answer 1

I know that one of them is the Mitochondria because it has its own DNA. But i don't know the other one???

Answer 2

Mitochondria and chloroplast.
If you have read endosymbiotic theory

Answer 3

http://en.wikipedia.org/wiki/Endosymbiotic_theory

Answer 4

Thank you! Actually i have to do a packet before school starts.... since i am going to take AP Biology